Cita APA (7a ed.)

Zapffe, C. (1949). Iron bearing deposits in Washington, Oregon, and Idaho: A review.

Cita Chicago Style (17a ed.)

Zapffe, Carl. Iron Bearing Deposits in Washington, Oregon, and Idaho: A Review. Portland, Or, 1949.

Cita MLA (8a ed.)

Zapffe, Carl. Iron Bearing Deposits in Washington, Oregon, and Idaho: A Review. 1949.

Precaución: Estas citas no son 100% exactas.