Cite

U.S.P.R.R. Exp. & Surveys. 41st parallel. Expl. by Lieut. Beckwith. Vol. 11. Humboldt Pass May 22d at 12 A.M. from High Peak east of pass

MLA

C. Schumman from F. W. Egloffstein, Selmar Siebert's Engraving, et al. U.S.P.R.R. Exp. & Surveys. 41st Parallel. Expl. by Lieut. Beckwith. Vol. 11. Humboldt Pass May 22d at 12 A.M. from High Peak East of Pass. 0AD. https://collections.library.yale.edu/catalog/2015817.

APA, 6th edition

C. Schumman from F. W. Egloffstein, S. S. E., Printing Establishment, W., & D. C. (0 C.E.). U.S.P.R.R. Exp. & Surveys. 41st parallel. Expl. by Lieut. Beckwith. Vol. 11. Humboldt Pass May 22d at 12 A.M. from High Peak east of pass [Intaglio prints]. https://collections.library.yale.edu/catalog/2015817.