Cita APA (7a ed.)

United States. Bonneville Power Administration. (1939). Pacific Northwest mineral occurrences: August, 1939. U.S. Dept. of the Interior.

Cita Chicago Style (17a ed.)

United States. Bonneville Power Administration. Pacific Northwest Mineral Occurrences: August, 1939. Washington, D.C.: U.S. Dept. of the Interior, 1939.

Cita MLA (8a ed.)

United States. Bonneville Power Administration. Pacific Northwest Mineral Occurrences: August, 1939. U.S. Dept. of the Interior, 1939.

Precaución: Estas citas no son 100% exactas.