Cita APA (7a ed.)
Trail, J., & Gregory, K. (1984). Animal breeding in sub-Saharan Africa: Toward an integrated program for improving productivity.
Cita Chicago Style (17a ed.)
Trail, J.C.M, y K.E Gregory. Animal Breeding in Sub-Saharan Africa: Toward an Integrated Program for Improving Productivity. 1984.
Cita MLA (9a ed.)
Trail, J.C.M, y K.E Gregory. Animal Breeding in Sub-Saharan Africa: Toward an Integrated Program for Improving Productivity. 1984.
Precaución: Estas citas no son 100% exactas.