MLA
Santa Holding Picture of Man at Desk on Phone. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 16. https://digital.library.emory.edu/purl/286nzs7hdm-cor.
APA, 6th edition
Santa holding picture of man at desk on phone (Box 16). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/286nzs7hdm-cor.
Chicago
“Santa Holding Picture of Man at Desk on Phone.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 16. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/286nzs7hdm-cor.