Cita APA

Clark, J. A., & Clark, J. A. (1981). Environmental aspects of housing for animal production. London, Sydney: Butterworths.

Citación estilo Chicago

Clark, J. A., y J. A. Clark. Environmental Aspects of Housing for Animal Production. London, Sydney: Butterworths, 1981.

Cita MLA

Clark, J. A., y J. A. Clark. Environmental Aspects of Housing for Animal Production. London, Sydney: Butterworths, 1981.