APA (7th ed.) Citation

National Fertilizer Development Center (U.S.), American Society of Agronomy, & Hauck, R. D. (1984). Nitrogen in crop production: Proceedings of a symposium held 25-27 May 1982 at Sheffield, Alabama. American Society of Agronomy.

Chicago Style (17th ed.) Citation

National Fertilizer Development Center (U.S.), American Society of Agronomy, and Roland Daniel Hauck. Nitrogen in Crop Production: Proceedings of a Symposium Held 25-27 May 1982 at Sheffield, Alabama. Madison, Wis: American Society of Agronomy, 1984.

MLA (9th ed.) Citation

National Fertilizer Development Center (U.S.), et al. Nitrogen in Crop Production: Proceedings of a Symposium Held 25-27 May 1982 at Sheffield, Alabama. American Society of Agronomy, 1984.