Cita APA

Bowen, W. A. 1. (1975). Mapping an American frontier, Oregon 1850. Washington: Association of American Geographers.

Citación estilo Chicago

Bowen, William Adrian 1941-. Mapping an American Frontier, Oregon 1850. Washington: Association of American Geographers, 1975.

Cita MLA

Bowen, William Adrian 1941-. Mapping an American Frontier, Oregon 1850. Washington: Association of American Geographers, 1975.

Precaución: Estas citas no son 100% exactas.