MLA
Artvue Post Card Co. (New York, N.Y.). For asking God Forgive our sins, segregation and prejudice : African American baby girl in a stroller. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/962f7m0cj6-cor.
APA, 6th edition
Artvue Post Card Co. (New York, N.Y.). (unknown)[For asking God Forgive our sins, segregation and prejudice : African American baby girl in a stroller]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/962f7m0cj6-cor.
Chicago
Artvue Post Card Co. (New York, N.Y.), For asking God Forgive our sins, segregation and prejudice : African American baby girl in a stroller, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/962f7m0cj6-cor.