MLA
Slater's Interurban Post Card Studio (Toledo, Ohio). Portrait of C.P. Henrix in a car cut-out. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/982x3ffbjp-cor.
APA, 6th edition
Slater's Interurban Post Card Studio (Toledo, Ohio). (unknown)[Portrait of C.P. Henrix in a car cut-out]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/982x3ffbjp-cor.
Chicago
Slater's Interurban Post Card Studio (Toledo, Ohio), Portrait of C.P. Henrix in a car cut-out, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/982x3ffbjp-cor.