APA (7th ed.) Citation

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.). Elsevier AP.

Chicago Style (17th ed.) Citation

Jefferson, Thomas A., Marc A. Webber, Robert L. Pitman, and Uko Gorter. Marine Mammals of the World: A Comprehensive Guide to Their Identification. Second edition. Amsterdam [u.a.]: Elsevier AP, 2015.

MLA (9th ed.) Citation

Jefferson, Thomas A., et al. Marine Mammals of the World: A Comprehensive Guide to Their Identification. Second edition. Elsevier AP, 2015.