[Photograph of five men]
MLA
Savage, and Ottinger. [Photograph of Five Men]. 1865. https://collections.library.yale.edu/catalog/2043817.
APA, 6th edition
S., & O. (1865). [Photograph of five men] [Cartes-de-visite, Photographic prints, Photographs, Studio portraits]. https://collections.library.yale.edu/catalog/2043817.