Katona, S. K. (1993). A field guide to whales, porpoises, and seals from Cape Cod to Newfoundland (Fourth edition, revised.). Smithsonian Institution Press.
Chicago-Zitierstil (17. Ausg.)Katona, Steven K. A Field Guide to Whales, Porpoises, and Seals from Cape Cod to Newfoundland. Fourth edition, revised. Washington [D.C.] ; London: Smithsonian Institution Press, 1993.
MLA-Zitierstil (9. Ausg.)Katona, Steven K. A Field Guide to Whales, Porpoises, and Seals from Cape Cod to Newfoundland. Fourth edition, revised. Smithsonian Institution Press, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.