APA Alıntı

Birdsall, S. S., & Florin, J. (1992). Outline of American Geography. New York: John Wiley & Sons.

Chicago Stili Alıntı

Birdsall, Stephen S., ve John Florin. Outline of American Geography. New York: John Wiley & Sons, 1992.

MLA Alıntı

Birdsall, Stephen S., ve John Florin. Outline of American Geography. New York: John Wiley & Sons, 1992.