MLA
Albertype Co. (Brooklyn, N.Y.). An African American guitarist. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/836547d817-cor.
APA, 6th edition
Albertype Co. (Brooklyn, N.Y.). (unknown)[An African American guitarist]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/836547d817-cor.
Chicago
Albertype Co. (Brooklyn, N.Y.), An African American guitarist, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/836547d817-cor.