MLA
A Group of African American Men, Women and Children Posing Outside a Colored School in Atlanta, Ga. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/624jm63xwk-cor.
APA, 6th edition
A group of African American men, women and children posing outside a colored school in Atlanta, Ga. (Box 69). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/624jm63xwk-cor.
Chicago
“A Group of African American Men, Women and Children Posing Outside a Colored School in Atlanta, Ga.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 69. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/624jm63xwk-cor.