APA (7th ed.) Citation

Carwardine, M. (2001). Killer whales (1st US ed.). DK Pub..

Chicago Style (17th ed.) Citation

Carwardine, Mark. Killer Whales. 1st US ed. New York: DK Pub., 2001.

MLA (8th ed.) Citation

Carwardine, Mark. Killer Whales. 1st US ed. DK Pub., 2001.

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