APA (7th ed.) Zitazioa

Waddington, C. H. (1956). Principles of Embryology. George Allen & Unwin.

Chicago Style (17th ed.) Zitazioa

Waddington, Conrad Hal. Principles of Embryology. London, United Kingdom: George Allen & Unwin, 1956.

MLA (9th ed.) Zitazioa

Waddington, Conrad Hal. Principles of Embryology. George Allen & Unwin, 1956.