Jefferson,Thomas A., W. A. a. P. L. (2015). Marine mammals of the world: A comprehensive guide to their identification (2.).
Chicago Edition CitationJefferson,Thomas A., Webber,Marc A. and Pitman,Robert L. Marine Mammals of the World: A Comprehensive Guide to Their Identification. 2. Elsevier , Amsterdam, 2015.
MLA Edition CitationJefferson,Thomas A., Webber,Marc A. and Pitman,Robert L. Marine Mammals of the World: A Comprehensive Guide to Their Identification. 2. 2015.
Warning: These citations may not always be 100% accurate.