MLA
Eckler. A Little African American Girl in a Dress, with Her Hair Tied in Pig Tales with Ribbon, with Her Arm Resting on a Chair and Flowers and Her Feet. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 61. https://digital.library.emory.edu/purl/453wstqjs7-cor.
APA, 6th edition
E. A little African American girl in a dress, with her hair tied in pig tales with ribbon, with her arm resting on a chair and flowers and her feet (Box 61) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/453wstqjs7-cor.
Chicago
Eckler. “A Little African American Girl in a Dress, with Her Hair Tied in Pig Tales with Ribbon, with Her Arm Resting on a Chair and Flowers and Her Feet.” 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/453wstqjs7-cor.