MLA
Floyd, Silas Xavier, 1869-1923. Life of Charles T. Walker, D.D. : ("The Black Spurgeon,") pastor Mt. Olivet Baptist Church, New York City. 1902. African American Imprints Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0580k6dmqz-cor.
APA, 6th edition
Floyd, Silas Xavier, 1869-1923. (1902)[Life of Charles T. Walker, D.D. : ("The Black Spurgeon,") pastor Mt. Olivet Baptist Church, New York City]. African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0580k6dmqz-cor.
Chicago
Floyd, Silas Xavier, 1869-1923, Life of Charles T. Walker, D.D. : ("The Black Spurgeon,") pastor Mt. Olivet Baptist Church, New York City, 1902, African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0580k6dmqz-cor.