APA (7th ed.) Citation

American Society of Agronomy, Stewart, B. A., & Nielsen, D. R. (1990). Irrigation of agricultural crops. American Society of Agronomy [etc.].

Chicago Style (17th ed.) Citation

American Society of Agronomy, Bobby Alton Stewart, and Donald R. Nielsen. Irrigation of Agricultural Crops. Madison: American Society of Agronomy [etc.], 1990.

MLA (9th ed.) Citation

American Society of Agronomy, et al. Irrigation of Agricultural Crops. American Society of Agronomy [etc.], 1990.