MLA
Solid Comfort : an African American Woman Sitting on a Set of Stairs Smoking a Pipe. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 73. https://digital.library.emory.edu/purl/26663xsj65-cor.
APA, 6th edition
Solid comfort : an African American woman sitting on a set of stairs smoking a pipe (Box 73). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/26663xsj65-cor.
Chicago
“Solid Comfort : an African American Woman Sitting on a Set of Stairs Smoking a Pipe.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 73. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/26663xsj65-cor.