APA (7th ed.) Citation

Doorenbos, J., & Pruitt, W. O. (1977). Guidelines for predicting crop water requirements (Rev.). Food and Agriculture Organization of the United Nations.

Chicago Style (17th ed.) Citation

Doorenbos, J., and W. O. Pruitt. Guidelines for Predicting Crop Water Requirements. Rev. Rome: Food and Agriculture Organization of the United Nations, 1977.

MLA (9th ed.) Citation

Doorenbos, J., and W. O. Pruitt. Guidelines for Predicting Crop Water Requirements. Rev. Food and Agriculture Organization of the United Nations, 1977.