MLA
White, Charles Frederick, 1876-. Who's who in Philadelphia : a collection of thirty biographical sketches of Philadelphia colored people, selected from among the most useful and practical, illustrating what is being done among them in the city, together with cuts and information of some of their leading institutions and organizations. 1912. African American Imprints Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4579s4mzf8-cor.
APA, 6th edition
White, Charles Frederick, 1876-. (1912)[Who's who in Philadelphia : a collection of thirty biographical sketches of Philadelphia colored people, selected from among the most useful and practical, illustrating what is being done among them in the city, together with cuts and information of some of their leading institutions and organizations]. African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4579s4mzf8-cor.
Chicago
White, Charles Frederick, 1876-, Who's who in Philadelphia : a collection of thirty biographical sketches of Philadelphia colored people, selected from among the most useful and practical, illustrating what is being done among them in the city, together with cuts and information of some of their leading institutions and organizations, 1912, African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4579s4mzf8-cor.