Cite

[Tintype of an unidentified man]

MLA

[Tintype of an Unidentified Man]. 0AD. https://collections.library.yale.edu/catalog/2011022.

APA, 6th edition

[Tintype of an unidentified man]. (0 C.E.). [Card photographs, Cartes-de-visite, Photographic prints, Photographs, Studio portraits, Tintypes]. https://collections.library.yale.edu/catalog/2011022.