MLA
Kuebler. Portrait of J.M. Paulson. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 62. https://digital.library.emory.edu/purl/69673n5tdn-cor.
APA, 6th edition
K. Portrait of J.M. Paulson (Box 62) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/69673n5tdn-cor.
Chicago
Kuebler. “Portrait of J.M. Paulson.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 62. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/69673n5tdn-cor.