MLA
Mellen Photo Co. (Chicago, Ill.). Aunt Charlotte : safe but not speedy. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/228ncjsxp9-cor.
APA, 6th edition
Mellen Photo Co. (Chicago, Ill.). (unknown)[Aunt Charlotte : safe but not speedy]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/228ncjsxp9-cor.
Chicago
Mellen Photo Co. (Chicago, Ill.), Aunt Charlotte : safe but not speedy, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/228ncjsxp9-cor.