MLA
Tammen, Harry Heye, 1856-1924. Race suicide,-bewailed the owl, Is blighting this great nation!- Be calm, my friend,-quoth Dr. Stork, I've inside information! : a cartoon of a stork and an owl. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/95269p8d1q-cor.
APA, 6th edition
Tammen, Harry Heye, 1856-1924. (unknown)[Race suicide,-bewailed the owl, Is blighting this great nation!- Be calm, my friend,-quoth Dr. Stork, I've inside information! : a cartoon of a stork and an owl]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/95269p8d1q-cor.
Chicago
Tammen, Harry Heye, 1856-1924, Race suicide,-bewailed the owl, Is blighting this great nation!- Be calm, my friend,-quoth Dr. Stork, I've inside information! : a cartoon of a stork and an owl, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/95269p8d1q-cor.