De Maddalena, A., Preti, A., & Polansky, T. (2007). Sharks of the Pacific Northwest: Including Oregon, Washington, British Columbia and Alaska. Harbour Pub..
Chicago Style (17th ed.) CitationDe Maddalena, Alessandro, Antonella Preti, and Tarik Polansky. Sharks of the Pacific Northwest: Including Oregon, Washington, British Columbia and Alaska. Madeira Park, B.C.: Harbour Pub., 2007.
MLA (8th ed.) CitationDe Maddalena, Alessandro, et al. Sharks of the Pacific Northwest: Including Oregon, Washington, British Columbia and Alaska. Harbour Pub., 2007.
Warning: These citations may not always be 100% accurate.