MLA
Griggs, Sutton E. (Sutton Elbert), 1872-1933. Imperium in imperio. 1899. African American Imprints Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9354f4qtrv-cor.
APA, 6th edition
Griggs, Sutton E. (Sutton Elbert), 1872-1933. (1899)[Imperium in imperio]. African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9354f4qtrv-cor.
Chicago
Griggs, Sutton E. (Sutton Elbert), 1872-1933, Imperium in imperio, 1899, African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9354f4qtrv-cor.