MLA
Studio., Penn. Sister Johnson Wearing a Robe, Holding an Open Book in One Hand, with Her Other Hand Pointing Upwards. 1860. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 35. https://digital.library.emory.edu/purl/6451g1jx10-cor.
APA, 6th edition
Studio., P. (1860). Sister Johnson wearing a robe, holding an open book in one hand, with her other hand pointing upwards (Box 35) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6451g1jx10-cor.
Chicago
Studio., Penn. “Sister Johnson Wearing a Robe, Holding an Open Book in One Hand, with Her Other Hand Pointing Upwards.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, 1860. Box 35. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6451g1jx10-cor.