Cita APA (7a ed.)
Ehui, S. K., Li Pun, H., Mares, V., & Shapiro, B. I. (1998). The role of livestock in food security and environmental protection. International Livestock Research Institute.
Cita Chicago Style (17a ed.)
Ehui, Simeon K., H.H Li Pun, V. Mares, y Barry I. Shapiro. The Role of Livestock in Food Security and Environmental Protection. International Livestock Research Institute, 1998.
Cita MLA (9a ed.)
Ehui, Simeon K., et al. The Role of Livestock in Food Security and Environmental Protection. International Livestock Research Institute, 1998.
Precaución: Estas citas no son 100% exactas.