Carwardine, M. (1999). Whales, dolphins and porpoises (Second edition.). Checkmark Books.
Chicago Style (17th ed.) CitationCarwardine, Mark. Whales, Dolphins and Porpoises. Second edition. New York: Checkmark Books, 1999.
MLA (9th ed.) CitationCarwardine, Mark. Whales, Dolphins and Porpoises. Second edition. Checkmark Books, 1999.
Warning: These citations may not always be 100% accurate.