Jefferson, T. A. a. o. (2015). Marine mammals of the world: A comprehensive Guide to their identification (2.). Elsevier.
Chicago Edition CitationJefferson, Thomas A and others. Marine Mammals of the World: A Comprehensive Guide to Their Identification. 2. London: Elsevier, 2015.
MLA Edition CitationJefferson, Thomas A and others. Marine Mammals of the World: A Comprehensive Guide to Their Identification. 2. Elsevier, 2015.
Warning: These citations may not always be 100% accurate.