APA (7th ed.) Citation

American Society of Agronomy, Crop Science Society of America, & Soil Science Society of America. (1978). Crop tolerance to suboptimal land conditions: Proceedings of a symposium. The Societies.

Chicago Style (17th ed.) Citation

American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America. Crop Tolerance to Suboptimal Land Conditions: Proceedings of a Symposium. Madison, Wisc.: The Societies, 1978.

MLA (9th ed.) Citation

American Society of Agronomy, et al. Crop Tolerance to Suboptimal Land Conditions: Proceedings of a Symposium. The Societies, 1978.