APA (7th ed.) Citation

Boulenger, E. G. (1936). A natural history of the seas. D. Appleton-Century company, incorporated.

Chicago Style (17th ed.) Citation

Boulenger, E. G. A Natural History of the Seas. New York: D. Appleton-Century company, incorporated, 1936.

MLA (9th ed.) Citation

Boulenger, E. G. A Natural History of the Seas. D. Appleton-Century company, incorporated, 1936.