Cita APA

Cole, D., & Foxcroft, G. R. (1982). Control of pig reproduction. London, Sydney.

Citación estilo Chicago

Cole, D.J.A, y G. R. Foxcroft. Control of Pig Reproduction. London, Sydney, 1982.

Cita MLA

Cole, D.J.A, y G. R. Foxcroft. Control of Pig Reproduction. London, Sydney, 1982.