MLA
Goodwin, J. M. I's Sure Done Gone Dis Time : Two African American Young Men, One in the Mouth of an Alligator, Being Taken in the Water [Hand Colored]. 1906. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/467jq2bvtr-cor.
APA, 6th edition
Goodwin, J. M. (1906). I's sure done gone dis time : two African American young men, one in the mouth of an alligator, being taken in the water [hand colored] (Box 69) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/467jq2bvtr-cor.
Chicago
Goodwin, J. M. “I's Sure Done Gone Dis Time : Two African American Young Men, One in the Mouth of an Alligator, Being Taken in the Water [Hand Colored].” Photographic postcards. Robert Langmuir African American Photograph Collection, 1906. Box 69. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/467jq2bvtr-cor.