MLA

Russell, Andrew J. Union Pacific R.R. Views. 0AD. https://collections.library.yale.edu/catalog/2018497.

APA, 6th edition

Russell, A. J. (0 C.E.). Union Pacific R.R. views [Advertisements, Albumen prints, Photograph albums, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2018497.