MLA
Steward, T. G. (Theophilus Gould), 1843-1924. The colored regulars in the United States Army : with a sketch of the history of the colored American, and an account of his services in the wars of the country, from the period of the Revolutionary War to 1899. 1904. African American Imprints Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0580k6dmzt-cor.
APA, 6th edition
Steward, T. G. (Theophilus Gould), 1843-1924. (1904)[The colored regulars in the United States Army : with a sketch of the history of the colored American, and an account of his services in the wars of the country, from the period of the Revolutionary War to 1899]. African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0580k6dmzt-cor.
Chicago
Steward, T. G. (Theophilus Gould), 1843-1924, The colored regulars in the United States Army : with a sketch of the history of the colored American, and an account of his services in the wars of the country, from the period of the Revolutionary War to 1899, 1904, African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0580k6dmzt-cor.