[Photograph of John L. Sullivan at 12 years old]
MLA
[Photograph of John L. Sullivan at 12 Years Old]. 0AD. https://collections.library.yale.edu/catalog/10616983.
APA, 6th edition
[Photograph of John L. Sullivan at 12 years old]. (0 C.E.). [Photographic prints, Studio portraits]. https://collections.library.yale.edu/catalog/10616983.