Jefferson, T. A., Leatherwood, S., & Webber, M. A. (1994). Marine mammals of the world. United Nations Environment Programme : Food and Agriculture Organization of the United Nations.
Chicago Style (17th ed.) CitationJefferson, Thomas A., Stephen Leatherwood, and Marc A. Webber. Marine Mammals of the World. Rome: United Nations Environment Programme : Food and Agriculture Organization of the United Nations, 1994.
MLA (8th ed.) CitationJefferson, Thomas A., et al. Marine Mammals of the World. United Nations Environment Programme : Food and Agriculture Organization of the United Nations, 1994.
Warning: These citations may not always be 100% accurate.