Cita APA (7a ed.)
Trail, J. (1984). Crossbreeding indigenous East African cattle with American Angus and Red Poll. Westview Press, Inc.
Cita Chicago Style (17a ed.)
Trail, J.C.M. Crossbreeding Indigenous East African Cattle with American Angus and Red Poll. Westview Press, Inc, 1984.
Cita MLA (9a ed.)
Trail, J.C.M. Crossbreeding Indigenous East African Cattle with American Angus and Red Poll. Westview Press, Inc, 1984.
Precaución: Estas citas no son 100% exactas.