APA (7th ed.) Citation

Unwin, M. (2004). From egg to adult: The life cycle of birds. Heinemann.

Chicago Style (17th ed.) Citation

Unwin, Mike. From Egg to Adult: The Life Cycle of Birds. United Kingdom: Heinemann, 2004.

MLA (9th ed.) Citation

Unwin, Mike. From Egg to Adult: The Life Cycle of Birds. Heinemann, 2004.