MLA
Artvue Post Card Co. (New York, N.Y.). Three boys sitting in a canoe, two of them paddling, at Camp Kon-O-Kwee, in Fombell, Pennsylvania. June 7, 1975. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/368kd51c8v-cor.
APA, 6th edition
Artvue Post Card Co. (New York, N.Y.). (June 7, 1975)[Three boys sitting in a canoe, two of them paddling, at Camp Kon-O-Kwee, in Fombell, Pennsylvania]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/368kd51c8v-cor.
Chicago
Artvue Post Card Co. (New York, N.Y.), Three boys sitting in a canoe, two of them paddling, at Camp Kon-O-Kwee, in Fombell, Pennsylvania, June 7, 1975, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/368kd51c8v-cor.