[Photograph of Meeting between Buffalo Bill and John L. Sullivan]
MLA
[Photograph of Meeting between Buffalo Bill and John L. Sullivan]. 0AD. https://collections.library.yale.edu/catalog/10617001.
APA, 6th edition
[Photograph of Meeting between Buffalo Bill and John L. Sullivan]. (0 C.E.). [Group portraits, Photographic prints]. https://collections.library.yale.edu/catalog/10617001.