APA (7th ed.) Citation

Carwardine,Mark. (1999). Whales: Dolphins and Porpoises. Checkmark book.

Chicago Style (17th ed.) Citation

Carwardine,Mark. Whales: Dolphins and Porpoises. New york: Checkmark book, 1999.

MLA (9th ed.) Citation

Carwardine,Mark. Whales: Dolphins and Porpoises. Checkmark book, 1999.

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