Cite

Chinamen going to work on the Oregon and California R. R. [copy print]

MLA

Company, Continent Stereoscopic. Chinamen Going to Work on the Oregon and California R. R. [Copy Print]. 0AD. https://collections.library.yale.edu/catalog/2065813.

APA, 6th edition

Company, C. S. (0 C.E.). Chinamen going to work on the Oregon and California R. R. [copy print] [Photographic prints, Photographs, Stereographs]. https://collections.library.yale.edu/catalog/2065813.