MLA
Two Scenes from Harry Wagstaff Gribble's Production Anna Lucasta. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/1913n5tb55-cor.
APA, 6th edition
Two scenes from Harry Wagstaff Gribble's production Anna Lucasta (Box 74). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1913n5tb55-cor.
Chicago
“Two Scenes from Harry Wagstaff Gribble's Production Anna Lucasta.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1913n5tb55-cor.