Cite

U.S.P.R.R. Exp. & Surveys. 41ST parallel. Expl. by Lieut. Beckwith. Vol.II. Weber Lower Caon April 5th from an island in the WEber River; valley of Great Salt Lake

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.II. Weber Lower Caon April 5th from an Island in the WEber River; Valley of Great Salt Lake. 0AD. https://collections.library.yale.edu/catalog/2015808.

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.II. Weber Lower Caon April 5th from an island in the WEber River; valley of Great Salt Lake [Intaglio prints]. https://collections.library.yale.edu/catalog/2015808.