APA (7th ed.) Citation

Carr, A. F. (1968). The turtle: A natural history of sea turtles. Cassell.

Chicago Style (17th ed.) Citation

Carr, Archie Fairly. The Turtle: A Natural History of Sea Turtles. London: Cassell, 1968.

MLA (8th ed.) Citation

Carr, Archie Fairly. The Turtle: A Natural History of Sea Turtles. Cassell, 1968.