Cita APA (7a ed.)

Freeman, O. W. (1937). Grand Coulee and neighboring geological wonders. Freeman.

Cita Chicago Style (17a ed.)

Freeman, Otis W. Grand Coulee and Neighboring Geological Wonders. Cheney, Wash.: Freeman, 1937.

Cita MLA (8a ed.)

Freeman, Otis W. Grand Coulee and Neighboring Geological Wonders. Freeman, 1937.

Precaución: Estas citas no son 100% exactas.