APA (7th ed.) Citation
Ragland John, Lal Rattan, & Mokwunye A. Uzo. (1993). Technologies for sustainable agriculture in the tropics. American Society of Agronomy (ASA).
Chicago Style (17th ed.) Citation
Ragland John, Lal Rattan, and Mokwunye A. Uzo. Technologies for Sustainable Agriculture in the Tropics. American Society of Agronomy (ASA), 1993.
MLA (9th ed.) Citation
Ragland John, et al. Technologies for Sustainable Agriculture in the Tropics. American Society of Agronomy (ASA), 1993.
Warning: These citations may not always be 100% accurate.