Cowan, J. R., & Robertson, L. S. (1969). International Agronomy Training and Education. American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.
Chicago Style (17th ed.) CitationCowan, J. Ritchie, and L. S. Robertson. International Agronomy Training and Education. [Place of publication not identified]: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America, 1969.
MLA (9th ed.) CitationCowan, J. Ritchie, and L. S. Robertson. International Agronomy Training and Education. American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America, 1969.
Warning: These citations may not always be 100% accurate.