APA (7th ed.) Citation

Fenneman, N. M. (1917). Physiographic divisions of the United States. The Association of American Geographers.

Chicago Style (17th ed.) Citation

Fenneman, Nevin Melancthon. Physiographic Divisions of the United States. [Albany]: The Association of American Geographers, 1917.

MLA (9th ed.) Citation

Fenneman, Nevin Melancthon. Physiographic Divisions of the United States. The Association of American Geographers, 1917.

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