MLA
N.E. Paper & Stationery Co. Mfrs. (Ayer, Mass.). Four of a kind in Washington, No. Carolina. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/327mpg4f73-cor.
APA, 6th edition
N.E. Paper & Stationery Co. Mfrs. (Ayer, Mass.). (unknown)[Four of a kind in Washington, No. Carolina]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/327mpg4f73-cor.
Chicago
N.E. Paper & Stationery Co. Mfrs. (Ayer, Mass.), Four of a kind in Washington, No. Carolina, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/327mpg4f73-cor.