APA (7th ed.) Citation

Richard & Spilbury Louise. (2004). Life in a rookery penguins. Heinemann.

Chicago Style (17th ed.) Citation

Richard and Spilbury Louise. Life in a Rookery Penguins. United Kingdom: Heinemann, 2004.

MLA (9th ed.) Citation

Richard and Spilbury Louise. Life in a Rookery Penguins. Heinemann, 2004.