MLA
Studio., McGregor. Cotton Pickers, Down South : a Group of African American Men and African American Women Picking Cotton [Hand Colored]. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/112m63xsn1-cor.
APA, 6th edition
Studio., M. G. Cotton pickers, Down South : a group of African American men and African American women picking cotton [hand colored] (Box 68) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/112m63xsn1-cor.
Chicago
Studio., McGregor. “Cotton Pickers, Down South : a Group of African American Men and African American Women Picking Cotton [Hand Colored].” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 68. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/112m63xsn1-cor.