Cita APA

Powell-Owen, W., & Powell-Owen, W. (1933). The Complete poultry book. London, Sydney: Cassell.

Citación estilo Chicago

Powell-Owen, W., y W. Powell-Owen. The Complete Poultry Book. London, Sydney: Cassell, 1933.

Cita MLA

Powell-Owen, W., y W. Powell-Owen. The Complete Poultry Book. London, Sydney: Cassell, 1933.