Cita APA (7a ed.)
Bernet, T., Staal, S. J., & Walker, T. (2001). Changing milk production trends in Peru. International Mountain Society (IMS) and United Nations University.
Cita Chicago Style (17a ed.)
Bernet, T., Steven J. Staal, y T. Walker. Changing Milk Production Trends in Peru. International Mountain Society (IMS) and United Nations University, 2001.
Cita MLA (9a ed.)
Bernet, T., et al. Changing Milk Production Trends in Peru. International Mountain Society (IMS) and United Nations University, 2001.
Precaución: Estas citas no son 100% exactas.