APA (7th ed.) Zitazioa

Sadleir, R. M. F. S. Reproduction of vertebrates.

Chicago Style (17th ed.) Zitazioa

Sadleir, Richard M. F. S. Reproduction of Vertebrates.

MLA (9th ed.) Zitazioa

Sadleir, Richard M. F. S. Reproduction of Vertebrates.