APA (7th ed.) Citation
Ehui, S. K., Li Pun, H., Mares, V., & Shapiro, B. I. (1998). The role of livestock in food security and environmental protection.
Chicago Style (17th ed.) Citation
Ehui, Simeon K., H.H Li Pun, V. Mares, and Barry I. Shapiro. The Role of Livestock in Food Security and Environmental Protection. 1998.
MLA (9th ed.) Citation
Ehui, Simeon K., et al. The Role of Livestock in Food Security and Environmental Protection. 1998.
Warning: These citations may not always be 100% accurate.