Cita APA (7a ed.)

Webber, B. (1991). Comprehensive index to Oregon trail diaries. Webb Research Group ; Distributed by Pacific Northwest Books Co..

Cita Chicago Style (17a ed.)

Webber, Bert. Comprehensive Index to Oregon Trail Diaries. Medford, OR: Webb Research Group ; Distributed by Pacific Northwest Books Co., 1991.

Cita MLA (8a ed.)

Webber, Bert. Comprehensive Index to Oregon Trail Diaries. Webb Research Group ; Distributed by Pacific Northwest Books Co., 1991.

Precaución: Estas citas no son 100% exactas.