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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Army. Corps of Topographical Engineers, J. W. Gunnison, E. G. Beckwith, Richard H. Kern, F. W. Egloffstein, و 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)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.