APA (7th ed.) Citation

Cook, J. L. (1980). The mysterious undersea world. Nationa Geographic Society.

Chicago Style (17th ed.) Citation

Cook, Jan Leslie. The Mysterious Undersea World. Washington, DC: Nationa Geographic Society, 1980.

MLA (9th ed.) Citation

Cook, Jan Leslie. The Mysterious Undersea World. Nationa Geographic Society, 1980.

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