Cita APA (7a ed.)
Dunn, J., Still, R., & Harrop, H. (2012). Britain's sea mammals: Whales, dolphins, porpoises and seals, and where to find them. Princeton University Press.
Cita Chicago Style (17a ed.)
Dunn, Jon, Rob Still, y Hugh Harrop. Britain's Sea Mammals: Whales, Dolphins, Porpoises and Seals, and Where to Find Them. Princeton, New Jersey: Princeton University Press, 2012.
Cita MLA (9a ed.)
Dunn, Jon, et al. Britain's Sea Mammals: Whales, Dolphins, Porpoises and Seals, and Where to Find Them. Princeton University Press, 2012.
Precaución: Estas citas no son 100% exactas.