Dunn, J., Harrop, H., & Still, R. (2014). Britain's Sea Mammals: Whales, Dolphins, Porpoises, and Seals and Where to Find Them. Princeton University Press.
Chicago Style (17th ed.) CitationDunn, Jon, Hugh Harrop, and Robert Still. Britain's Sea Mammals: Whales, Dolphins, Porpoises, and Seals and Where to Find Them. Princeton: Princeton University Press, 2014.
MLA (8th ed.) CitationDunn, Jon, et al. Britain's Sea Mammals: Whales, Dolphins, Porpoises, and Seals and Where to Find Them. Princeton University Press, 2014.
Warning: These citations may not always be 100% accurate.