Cita APA (7a ed.)

Ramsey, G. R. (1977). Postmarked Washington, Okanogan county. Okanogan County Historical Society.

Cita Chicago Style (17a ed.)

Ramsey, Guy Reed. Postmarked Washington, Okanogan County. [Omak, Wash.]: Okanogan County Historical Society, 1977.

Cita MLA (8a ed.)

Ramsey, Guy Reed. Postmarked Washington, Okanogan County. Okanogan County Historical Society, 1977.

Precaución: Estas citas no son 100% exactas.