MLA
Harper & Co. (Dallas, Tex.). Portrait of an African American woman wearing eyeglasses. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/238w9ghx80-cor.
APA, 6th edition
Harper & Co. (Dallas, Tex.). (unknown)[Portrait of an African American woman wearing eyeglasses]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/238w9ghx80-cor.
Chicago
Harper & Co. (Dallas, Tex.), Portrait of an African American woman wearing eyeglasses, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/238w9ghx80-cor.