MLA
Lynch Mob Standing around Leo Frank, after Hanging Him from a Tree. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/327mpg4f83-cor.
APA, 6th edition
Lynch mob standing around Leo Frank, after hanging him from a tree (Box 70). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/327mpg4f83-cor.
Chicago
“Lynch Mob Standing around Leo Frank, after Hanging Him from a Tree.” 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/327mpg4f83-cor.