Cita APA (7a ed.)
Trail, J., & Gregory, K. (1981). Sahiwal cattle: An evaluation of their potential contribution to milk and beef production in Africa. International Livestock Centre for Africa.
Cita Chicago Style (17a ed.)
Trail, J.C.M, y K.E Gregory. Sahiwal Cattle: An Evaluation of Their Potential Contribution to Milk and Beef Production in Africa. International Livestock Centre for Africa, 1981.
Cita MLA (9a ed.)
Trail, J.C.M, y K.E Gregory. Sahiwal Cattle: An Evaluation of Their Potential Contribution to Milk and Beef Production in Africa. International Livestock Centre for Africa, 1981.
Precaución: Estas citas no son 100% exactas.