MLA
Sarah McLawler and Her Syncoettes, with One of Them Holding a Pen and Paer. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/607gqnk9df-cor.
APA, 6th edition
Sarah McLawler and her Syncoettes, with one of them holding a pen and paer (Box 70). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/607gqnk9df-cor.
Chicago
“Sarah McLawler and Her Syncoettes, with One of Them Holding a Pen and Paer.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/607gqnk9df-cor.