MLA

Russell, Andrew J. Union Pacific Railroad Views. [Boston A. Mudge & Son Print.], 0AD. https://collections.library.yale.edu/catalog/2018498.

APA, 6th edition

Russell, A. J. (0 C.E.). Union Pacific Railroad views [Albumen prints, Photograph albums, Photographic prints, Photographs]. [Boston A. Mudge & Son Print.]. https://collections.library.yale.edu/catalog/2018498.