Cita APA (7a ed.)

Culver, H. E. (1936). The geology of Washington .. State printing plant.

Cita Chicago Style (17a ed.)

Culver, Harold Eugene. The Geology of Washington .. Olympia: State printing plant, 1936.

Cita MLA (8a ed.)

Culver, Harold Eugene. The Geology of Washington .. State printing plant, 1936.

Precaución: Estas citas no son 100% exactas.