APA (7th ed.) Citation
Smith, J., Umali, G., Rosegrant, M. W., & Mandac, A. M. (1989). Risk and nitrogen use on rainfed rice: Bicol, Philippines. Springer.
Chicago Style (17th ed.) Citation
Smith, Joyotee, Gloria Umali, Mark W. Rosegrant, and A. M. Mandac. Risk and Nitrogen Use on Rainfed Rice: Bicol, Philippines. Springer, 1989.
MLA (9th ed.) Citation
Smith, Joyotee, et al. Risk and Nitrogen Use on Rainfed Rice: Bicol, Philippines. Springer, 1989.
Warning: These citations may not always be 100% accurate.