MLA
Jaap Eden, Major Taylor, and Schilling on Bicycles, Waiting to Start a Race on a Race Track, with an Audience Watching. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/252j6q575x-cor.
APA, 6th edition
Jaap Eden, Major Taylor, and Schilling on bicycles, waiting to start a race on a race track, with an audience watching (Box 74). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/252j6q575x-cor.
Chicago
“Jaap Eden, Major Taylor, and Schilling on Bicycles, Waiting to Start a Race on a Race Track, with an Audience Watching.” 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/252j6q575x-cor.