MLA
Worlds' Tallest : Photo Made atop Empire State Building, New York : Two Photos, One of Two African American Women and Man in the Empire State Building, and Another of a View of the Outside of the Empire State Building. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 75. https://digital.library.emory.edu/purl/0000000027-cor.
APA, 6th edition
Worlds' tallest : photo made atop Empire State Building, New York : two photos, one of two African American women and man in the Empire State Building, and another of a view of the outside of the Empire State Building (Box 75). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0000000027-cor.
Chicago
“Worlds' Tallest : Photo Made atop Empire State Building, New York : Two Photos, One of Two African American Women and Man in the Empire State Building, and Another of a View of the Outside of the Empire State Building.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 75. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0000000027-cor.