Cita APA (7a ed.)

Washington (State). Division of Mines and Mining. (1940). Directory of Washington metallic mining properties. [s.n.].

Cita Chicago Style (17a ed.)

Washington (State). Division of Mines and Mining. Directory of Washington Metallic Mining Properties. Olympia, Wash.: [s.n.], 1940.

Cita MLA (8a ed.)

Washington (State). Division of Mines and Mining. Directory of Washington Metallic Mining Properties. [s.n.], 1940.

Precaución: Estas citas no son 100% exactas.