APA (7th ed.) Citation

Richard & Spilbury Louise. (2004). From egg to adult: The life cycle of amphibians. Heinemann.

Chicago Style (17th ed.) Citation

Richard and Spilbury Louise. From Egg to Adult: The Life Cycle of Amphibians. United Kingdom: Heinemann, 2004.

MLA (9th ed.) Citation

Richard and Spilbury Louise. From Egg to Adult: The Life Cycle of Amphibians. Heinemann, 2004.