MLA
ess-Dale Photo Co. Woman in Ballet Costume with Hat Standing on Toes on Stairs. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 9. https://digital.library.emory.edu/purl/146qz612qf-cor.
APA, 6th edition
ess-Dale Photo Co. Woman in ballet costume with hat standing on toes on stairs (Box 9) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/146qz612qf-cor.
Chicago
Photo Co., ess-Dale. “Woman in Ballet Costume with Hat Standing on Toes on Stairs.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 9. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/146qz612qf-cor.