Cita APA (7a ed.)
Herrero, M., MacMillan, S., Johnson, N. L., Ericksen, P. J., Duncan, A. J., Grace, D., & Thornton, P. K. (2011). Improving food production from livestock. Worldwatch Institute.
Cita Chicago Style (17a ed.)
Herrero, Mario, Susan MacMillan, Nancy L. Johnson, Polly J. Ericksen, Alan J. Duncan, Delia Grace, y Philip K. Thornton. Improving Food Production from Livestock. Worldwatch Institute, 2011.
Cita MLA (9a ed.)
Herrero, Mario, et al. Improving Food Production from Livestock. Worldwatch Institute, 2011.
Precaución: Estas citas no son 100% exactas.