Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (8e éd.)

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

Attention : ces citations peuvent ne pas être correctes à 100%.