APA-referens

Perkins, E. J. (1974). The biology of estuaries and coastal waters. Academic Press.

Chicago-stil citat

Perkins, E. J. The Biology of Estuaries and Coastal Waters. New York: Academic Press, 1974.

MLA-referens

Perkins, E. J. The Biology of Estuaries and Coastal Waters. Academic Press, 1974.