MLA
Nigger Geese Contemplating Dinner Prospects, Pass-a-Grille, Fla. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 71. https://digital.library.emory.edu/purl/846d2547gh-cor.
APA, 6th edition
Nigger geese contemplating dinner prospects, Pass-a-Grille, Fla. (Box 71). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/846d2547gh-cor.
Chicago
“Nigger Geese Contemplating Dinner Prospects, Pass-a-Grille, Fla.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 71. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/846d2547gh-cor.