APA-Zitierstil (7. Ausg.)

Birdsall, S. S., & Florin, J. (1992). Outline of american geography: Regional landscapes of the united states (Fourth edition.). John Wiley.

Chicago-Zitierstil (17. Ausg.)

Birdsall, Stephen S., und John Florin. Outline of American Geography: Regional Landscapes of the United States. Fourth edition. New York: John Wiley, 1992.

MLA-Zitierstil (9. Ausg.)

Birdsall, Stephen S., und John Florin. Outline of American Geography: Regional Landscapes of the United States. Fourth edition. John Wiley, 1992.