Cita APA

Thornbury, W. D. (1965). Regional geomorphology of the United States. Wiley.

Citación estilo Chicago

Thornbury, William D. Regional Geomorphology of the United States. New York: Wiley, 1965.

Cita MLA

Thornbury, William D. Regional Geomorphology of the United States. Wiley, 1965.

Warning: These citations may not always be 100% accurate.