MLA
Western Art Gallery (Winnipeg, Man.). Rev. George Washington Slater, Jr. wearing a suit while sitting and holding an open book. December 1909. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/85370rxwm0-cor.
APA, 6th edition
Western Art Gallery (Winnipeg, Man.). (December 1909)[Rev. George Washington Slater, Jr. wearing a suit while sitting and holding an open book]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/85370rxwm0-cor.
Chicago
Western Art Gallery (Winnipeg, Man.), Rev. George Washington Slater, Jr. wearing a suit while sitting and holding an open book, December 1909, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/85370rxwm0-cor.