MLA
Lena Horne Wearing a Dress, High Heel Shoes, a Hat, and a Necklace Seated in a Chair with Her Feet Resting on a Sofa Reading a Script. 1941. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 27. https://digital.library.emory.edu/purl/279v15dv8d-cor.
APA, 6th edition
Lena Horne wearing a dress, high heel shoes, a hat, and a necklace seated in a chair with her feet resting on a sofa reading a script (Box 27). (1941). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/279v15dv8d-cor.
Chicago
“Lena Horne Wearing a Dress, High Heel Shoes, a Hat, and a Necklace Seated in a Chair with Her Feet Resting on a Sofa Reading a Script.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1941. Box 27. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/279v15dv8d-cor.