APA (7th ed.) Citation

Jefferson, T. A. (2008). Marine mammals of the world: A comprehensive guide to their identification. Elsevier.

Chicago Style (17th ed.) Citation

Jefferson, Thomas A. Marine Mammals of the World: A Comprehensive Guide to Their Identification. Amsterdam: Elsevier, 2008.

MLA (9th ed.) Citation

Jefferson, Thomas A. Marine Mammals of the World: A Comprehensive Guide to Their Identification. Elsevier, 2008.