Cite

Prof. S.J. Sedgwick, publisher.

MLA

Company, Union Pacific Railroad. Prof. S.J. Sedgwick, Publisher. 0AD. https://collections.library.yale.edu/catalog/2032236.

APA, 6th edition

Company, U. P. R. (0 C.E.). Prof. S.J. Sedgwick, publisher. [Photographic prints, Photographs, Stereographs]. https://collections.library.yale.edu/catalog/2032236.