APA-referens

Gregory, K. J. (1983). Background to paleohydrology: A perspective. Wiley.

Chicago-stil citat

Gregory, K. J. Background to Paleohydrology: A Perspective. New York: Wiley, 1983.

MLA-referens

Gregory, K. J. Background to Paleohydrology: A Perspective. Wiley, 1983.