MLA
MacFarlane, W. G. (William Godsoe), 1870-1942. Who said chicken?. March 2, 1910. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/549g4f4qvp-cor.
APA, 6th edition
MacFarlane, W. G. (William Godsoe), 1870-1942. (March 2, 1910)[Who said chicken?]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/549g4f4qvp-cor.
Chicago
MacFarlane, W. G. (William Godsoe), 1870-1942, Who said chicken?, March 2, 1910, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/549g4f4qvp-cor.