MLA
Artvue Post Card Co. (New York, N.Y.). Corpus Christi Carmelite Sisters caring for the sick children on the West Indian Missions. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/69673n5tbm-cor.
APA, 6th edition
Artvue Post Card Co. (New York, N.Y.). (unknown)[Corpus Christi Carmelite Sisters caring for the sick children on the West Indian Missions]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/69673n5tbm-cor.
Chicago
Artvue Post Card Co. (New York, N.Y.), Corpus Christi Carmelite Sisters caring for the sick children on the West Indian Missions, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/69673n5tbm-cor.