MLA
Merritt, T.H., Boston (Mass.). Company L, 6th Regiment, Massachusetts Infantry, Camp Devens, 1917. 1917. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/518rbnzs99-cor.
APA, 6th edition
Merritt, T.H., Boston (Mass.). (1917)[Company L, 6th Regiment, Massachusetts Infantry, Camp Devens, 1917]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/518rbnzs99-cor.
Chicago
Merritt, T.H., Boston (Mass.), Company L, 6th Regiment, Massachusetts Infantry, Camp Devens, 1917, 1917, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/518rbnzs99-cor.