American Society of Agronomy, Soil Science Society of America, & Sparks, D. L. P. D. (1996). Methods of soil analysis. Soil Science Society of America American Society of Agronomy.
Chicago Style (17th ed.) CitationAmerican Society of Agronomy, Soil Science Society of America, and Donald L. Ph. D. Sparks. Methods of Soil Analysis. Madison, Wis: Soil Science Society of America American Society of Agronomy, 1996.
MLA (9th ed.) CitationAmerican Society of Agronomy, et al. Methods of Soil Analysis. Soil Science Society of America American Society of Agronomy, 1996.
Warning: These citations may not always be 100% accurate.