APA (7th ed.) Citation

Birdsall, S. S., & Florin, J. W. (1998). An outline of American geography: Regional landscapes of the United States. [U.S. Dept. of State, International Information Programs].

Chicago Style (17th ed.) Citation

Birdsall, Stephen S., and John William Florin. An Outline of American Geography: Regional Landscapes of the United States. [Washington, D.C.]: [U.S. Dept. of State, International Information Programs], 1998.

MLA (9th ed.) Citation

Birdsall, Stephen S., and John William Florin. An Outline of American Geography: Regional Landscapes of the United States. [U.S. Dept. of State, International Information Programs], 1998.