Cita APA (7a ed.)

Williamson, R. S., Abbot, H. L., Fillebrown, H. C., Young, J., Anderson, C. D., & Siebert, S. (1855). Map no. 2 from the northern boundary of California to the Columbia River. War Dept..

Cita Chicago Style (17a ed.)

Williamson, R. S., Henry L. Abbot, H. C. Fillebrown, John Young, C. D. Anderson, y Selmar Siebert. Map No. 2 from the Northern Boundary of California to the Columbia River. [Washington, D.C.]: War Dept., 1855.

Cita MLA (8a ed.)

Williamson, R. S., et al. Map No. 2 from the Northern Boundary of California to the Columbia River. War Dept., 1855.

Precaución: Estas citas no son 100% exactas.