MLA
High Water on the Mississippi : This Shows One of the Negro Guards and His Wife near Their Wind Shield : the Negros on Guard Were Equipped with Guns to Enforce Their Authority with Whites or Blacks : He Was Particularly Anxious That His Gun Should b. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 45. https://digital.library.emory.edu/purl/484mkkwhct-cor.
APA, 6th edition
High water on the Mississippi : this shows one of the Negro guards and his wife near their wind shield : the negros on guard were equipped with guns to enforce their authority with whites or blacks : he was particularly anxious that his gun should b (Box 45). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/484mkkwhct-cor.
Chicago
“High Water on the Mississippi : This Shows One of the Negro Guards and His Wife near Their Wind Shield : the Negros on Guard Were Equipped with Guns to Enforce Their Authority with Whites or Blacks : He Was Particularly Anxious That His Gun Should b.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 45. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/484mkkwhct-cor.