MLA
Henrics, H. An African American Girl with Long Hair, Wearing a Long Sleeve Dark Dress, Holding a Flower. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 61. https://digital.library.emory.edu/purl/40644j0zrw-cor.
APA, 6th edition
Henrics, H. An African American girl with long hair, wearing a long sleeve dark dress, holding a flower (Box 61) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/40644j0zrw-cor.
Chicago
Henrics, H. “An African American Girl with Long Hair, Wearing a Long Sleeve Dark Dress, Holding a Flower.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 61. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/40644j0zrw-cor.