MLA
Ammons, Ben. Turner and Nancy Johnson with Trees and Fences in the Background. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 7. https://digital.library.emory.edu/purl/97634tmpnc-cor.
APA, 6th edition
Ammons, B. Turner and Nancy Johnson with trees and fences in the background (Box 7) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/97634tmpnc-cor.
Chicago
Ammons, Ben. “Turner and Nancy Johnson with Trees and Fences in the Background.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 7. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/97634tmpnc-cor.