APA (7th ed.) Citation

Arnold, C. (2006). A killer whale's world. Picture Window Books.

Chicago Style (17th ed.) Citation

Arnold, Caroline. A Killer Whale's World. Minneapolis, Minn.: Picture Window Books, 2006.

MLA (8th ed.) Citation

Arnold, Caroline. A Killer Whale's World. Picture Window Books, 2006.

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