APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.