MLA
Merrow, E. L. The Charcoal Burner, Pinehurst, N.C. : Three African American Boys in an Ox-Drawn Cart. 1901. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 75. https://digital.library.emory.edu/purl/10966t1g3f-cor.
APA, 6th edition
Merrow, E. L. (1901). The charcoal burner, Pinehurst, N.C. : three African American boys in an ox-drawn cart (Box 75) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/10966t1g3f-cor.
Chicago
Merrow, E. L. “The Charcoal Burner, Pinehurst, N.C. : Three African American Boys in an Ox-Drawn Cart.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1901. Box 75. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/10966t1g3f-cor.