MLA
Rembrandt Studios (Pittsburgh, Pa.). International Labor Defense, 4th National Convention, Pittsburgh, Pennsylvania, December 29-31, 1929 [panorama]. December 1929. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/378tb2rbqh-cor.
APA, 6th edition
Rembrandt Studios (Pittsburgh, Pa.). (December 1929)[International Labor Defense, 4th National Convention, Pittsburgh, Pennsylvania, December 29-31, 1929 [panorama]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/378tb2rbqh-cor.
Chicago
Rembrandt Studios (Pittsburgh, Pa.), International Labor Defense, 4th National Convention, Pittsburgh, Pennsylvania, December 29-31, 1929 [panorama], December 1929, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/378tb2rbqh-cor.