Birdsall, S. S., & Florin, J. W. (1992). Outline of American geography: Regional landscapes of the United States. Offfice of International Information Programs, U.S. Department of State.
Chicago Style (17th ed.) CitationBirdsall, Stephen S., and John William Florin. Outline of American Geography: Regional Landscapes of the United States. [Washington, D.C.]: Offfice of International Information Programs, U.S. Department of State, 1992.
MLA (9th ed.) CitationBirdsall, Stephen S., and John William Florin. Outline of American Geography: Regional Landscapes of the United States. Offfice of International Information Programs, U.S. Department of State, 1992.
Warning: These citations may not always be 100% accurate.