MLA
The Harmonizing Four with Their Hands out and Another Man behind Them. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 24. https://digital.library.emory.edu/purl/088qbzkh51-cor.
APA, 6th edition
The Harmonizing Four with their hands out and another man behind them (Box 24). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/088qbzkh51-cor.
Chicago
“The Harmonizing Four with Their Hands out and Another Man behind Them.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 24. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/088qbzkh51-cor.