Cita APA

Brown, R. H. n. 1. (1948). Historical geography of the United States. New York, New York: Harcourt Brace.

Citación estilo Chicago

Brown, Ralph Hall n. 1898. Historical Geography of the United States. New York, New York: Harcourt Brace, 1948.

Cita MLA

Brown, Ralph Hall n. 1898. Historical Geography of the United States. New York, New York: Harcourt Brace, 1948.