Jefferson, T. A., Webber, M. A., Pitman, R. L., & Gorter, U. (2015). Marine mammals of the world: A comprehensive guide to their identification (Second edition.). Academic Press.
Chicago Style (17th ed.) CitationJefferson, Thomas A., Marc A. Webber, Robert L. Pitman, and Uko Gorter. Marine Mammals of the World: A Comprehensive Guide to Their Identification. Second edition. London, England: Academic Press, 2015.
MLA (9th ed.) CitationJefferson, Thomas A., et al. Marine Mammals of the World: A Comprehensive Guide to Their Identification. Second edition. Academic Press, 2015.
Warning: These citations may not always be 100% accurate.