APA (7th ed.) Citation

Caldwell, D. K. Whales, Dolphins, and Porpoises of the Western North Atlantic A Guide to Their Identification.

Chicago Style (17th ed.) Citation

Caldwell, David Keller. Whales, Dolphins, and Porpoises of the Western North Atlantic A Guide to Their Identification.

MLA (9th ed.) Citation

Caldwell, David Keller. Whales, Dolphins, and Porpoises of the Western North Atlantic A Guide to Their Identification.

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