MLA
Children Posing Together at Camp Daddy Allen, Put on by Philadelphia Society for Crippled Children and Adults, Many of Them Using Crutches. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/023vt4b8kr-cor.
APA, 6th edition
Children posing together at Camp Daddy Allen, put on by Philadelphia Society for Crippled Children and Adults, many of them using crutches (Box 69). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/023vt4b8kr-cor.
Chicago
“Children Posing Together at Camp Daddy Allen, Put on by Philadelphia Society for Crippled Children and Adults, Many of Them Using Crutches.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 69. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/023vt4b8kr-cor.