Cite

[Photographic copy print of two men in 18th century dress]

MLA

[Photographic Copy Print of Two Men in 18th Century Dress]. 0AD. https://collections.library.yale.edu/catalog/2015271.

APA, 6th edition

[Photographic copy print of two men in 18th century dress]. (0 C.E.). https://collections.library.yale.edu/catalog/2015271.