APA (7th ed.) Citation

American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, Papendick, R. I., Sanchez, P. A., & Triplett, G. B. (1976). Multiple cropping: Proceedings of a symposium. ASA.

Chicago Style (17th ed.) Citation

American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, R. I. Papendick, Pedro A. Sanchez, and Glover B. Triplett. Multiple Cropping: Proceedings of a Symposium. Madison, Wis: ASA, 1976.

MLA (9th ed.) Citation

American Society of Agronomy, et al. Multiple Cropping: Proceedings of a Symposium. ASA, 1976.