Cita APA (7a ed.)
Trail, J., & Gregory, K. (1982). Production characters of the Sahiwal and Ayrshire breeds and their crosses in Kenya. Springer.
Cita Chicago Style (17a ed.)
Trail, J.C.M, y K.E Gregory. Production Characters of the Sahiwal and Ayrshire Breeds and Their Crosses in Kenya. Springer, 1982.
Cita MLA (9a ed.)
Trail, J.C.M, y K.E Gregory. Production Characters of the Sahiwal and Ayrshire Breeds and Their Crosses in Kenya. Springer, 1982.
Precaución: Estas citas no son 100% exactas.