MLA
Men, Women and Children Sitting in the Grass next to a Nashville, Chattanooga, & St. Louis Railway Train. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 49. https://digital.library.emory.edu/purl/436tx95xc6-cor.
APA, 6th edition
Men, women and children sitting in the grass next to a Nashville, Chattanooga, & St. Louis Railway train (Box 49). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/436tx95xc6-cor.
Chicago
“Men, Women and Children Sitting in the Grass next to a Nashville, Chattanooga, & St. Louis Railway Train.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 49. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/436tx95xc6-cor.