APA (7th ed.) Citation

Brown, R. H., & Whitaker, J. R. (1948). Historical geography of the United States. Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

Brown, Ralph H., and J. Russell Whitaker. Historical Geography of the United States. New York: Harcourt, Brace & World, 1948.

MLA (9th ed.) Citation

Brown, Ralph H., and J. Russell Whitaker. Historical Geography of the United States. Harcourt, Brace & World, 1948.