For more detailed information on SSSA citation style see The Publications Handbook and Style Manual.
Example:
Shotwell, C.A., and G.W. Smith. 2001.
Shotwell, O.L. 1998.
Shotwell, O.L., M.L. Goulden, and C.W. Hesseltine. 1994.
Shotwell, O.L., C.W. Hesseltine, and M.L. Goulden. 1993a.
Shotwell, O.L., C.W. Hesseltine, and M.L. Goulden. 1997.
Example:
Doty, W.T., M. Amacher, and D.E. Baker. 1982. Manual of methods: Soil and environmental chemistry laboratory. Rep. 121. Dep. of Agronomy, Pennsylvania State Univ., University Park.
Examples:
Online-only Publication
Wear, D. 2000. Research projects, Southern Forest Resource Assessment Consortium [Online]. Available at http://www.rtp.srs.fs.fed.us/econ/research/sofac/projects.htm (modified 13 Mar. 2000; accessed 8 July 2000; verified 22 May 2001). USDA Forest Serv., Research Triangle Park, NC.Online-only Journal Article
Kampf. S.K., M. Salazar, and S.W. Tyler. 2002. Preliminary investigations of effluent drainage from mining heap leach facilities [Online]. Available at http://www.vadozezonejournal.org. Vadose Zone J. 1:186-196.
Example:Book with Corporate Author:Dzombak, D.A., and F.M.M. Morel. 1990. Surface complexation modeling: Hydrous ferricoxide. John Wiley & Sons, New York.
Doty, W.T., M. Amacher, and D.E. Baker. 1982. Manual of methods: Soil and environmental chemistry laboratory. Rep. 121. Dep. of Agronomy, Pennsylvania State Univ., University Park. Food and Agricultural Organization. 1994. Production and trade yearbook, 1993. FAO, Rome.
Example:Book ChapterCalifornia Certified Organic Farmers. 1995. California Certified Organic Farmers certification handbook. CCOF, Santa Cruz.
Example:Book with an EditorBuresh, R.J., P.C. Smithson, and D.T. Hellums. 1997. Building soil phosphorus capital in Africa. p. 111-149. In R.J. Buresh et al. (ed.) Replenishing soil fertility in Africa. SSSA Spec. Publ. 51. SSSA, Madison, WI.
Example:Thesis or DissertationSalisbury, F.B. 1981. Response to photoperiod. p. 135-167. In O.L. Lange et al. (ed.) Physiological plant ecology: I. Responses to the physical environment. Encyclopedia of plant physiology. Vol. 12A. Springer-Verlag, Berlin.
Example:Maraqa, M.A. 1995. Transport of dissolved volatile organic compounds in the unsaturated zone. Ph.D. Diss. Michigan State Univ., East Lansing.
Koenig, R. T. 1990. Decomposition, nitrogen mineralization, and plant utilization of mineralized residue N in a subarctic agricultural soil. MS Thesis. Univ. of Alaska, Fairbanks.
Argo, W.R., and J.A. Biernbaum. 1995. Root-medium nutrient levels and irrigation requirements of poinsettias grown in five root media. HortScience 30(2):535-538.
Bordoli, J.M., and A.P. Mallarino. 1998. Deep and shallow banding of phosphorous and potassium as alternatives to broadcast fertilization for no-till corn. Agron. J. 90:27-33.
Magazine or Newspaper ArticleDavenport, C.H. 1981. Sowing the seeds. Barrons. 2 March, p. 10.
Davenport, C.H. 1981. Sowing the seeds. Barrons. 2 March, p. 10.
Mulvaney, D.L., and L. Paul. 1984. Rotating crops and tillage. Crops Soils 36(7):18-19.
Lee, S. 2007. The Lettuce Nitrate phenomenon. New York Times 4 Nov. pp G4.
Online-only Journal ArticleUSDA - National Agricultural Statistics Services Census of agriculture. 2000. Published estimates data base (PEDB) [Online]. Available at www.nass.usda.gov:81/ipedb/ (accessed 15 May 2001; verified 24 Aug. 2001). USDA-NASS, Washington, DC.
Wear, D. 2000. Research projects, Southern Forest Resource Assessment Consortium [Online]. Available at www.rtp.srs.fs.fed.us/ econ/research/sofac/projects.htm (modified 13 Mar. 2000; accessed 8 July 2000; verified 22 May 2001). USDA Forest Serv., Research Triangle Park, NC.
Personal Communication (Email)Kampf. S.K., M. Salazar, and S.W. Tyler. 2002. Preliminary investigations of effluent drainage from mining heap leach facilities [Online]. Available at www.vadozezonejournal. org. Vadose Zone J. 1:186-196.
Zhang, Q., L.C. Davis, and L.E. Erickson. 1998. Effect of vegetation on transport of groundwater and nonaqueous-phase liquid contaminants [Online]. Available at www.engg.ksu.edu/HSRC/JHSR/. J. Hazard. Subst. Res. 1:Article 8.
Koenig, T. Personal communication. 2007, 22 October.
For within-text citations of papers with two authors, name both.Examples:
(Murphy, 2001)
With three or more authors, use 'et al.'Examples:
(Murphy and Smith, 2001)
For two or more articles using the same within-text citation, add a distinguishing lowercase letter to the year in both the text and references list. Separate citations with a semicolon.Examples:
(Murphy et al., 2001)
*For citations of multiple works by the same authors, the author names do not need to be repeated.Examples:
(Murphy and Wong, 2001, 2001b; Murphy et al., 2001)
Information excerpted from The Publications Handbook and Style Manual available at https://www.soils.org/publications/style/ (accessed 7 Nov. 2007).