United States. Army. Corps of Topographical Engineers, Gunnison, J. W., Beckwith, E. G., Kern, R. H., Egloffstein, F. W., & Siebert, S. (1855). Map no. 1 from the western boundary of Missouri to the mouth of Trap Creek from explorations and surveys. Engraved by Selmar Siebert.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)United States. Army. Corps of Topographical Engineers, J. W. Gunnison, E. G. Beckwith, Richard H. Kern, F. W. Egloffstein, và Selmar Siebert. Map No. 1 from the Western Boundary of Missouri to the Mouth of Trap Creek from Explorations and Surveys. [Washington, D.C.]: Engraved by Selmar Siebert, 1855.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)United States. Army. Corps of Topographical Engineers, et al. Map No. 1 from the Western Boundary of Missouri to the Mouth of Trap Creek from Explorations and Surveys. Engraved by Selmar Siebert, 1855.