APA

Lewis D. L., . (1995). W.E.B Du Bois. New York: Henry Holt and Company.

Chicago

Lewis David L, . 1995. W.E.B Du Bois. New York: Henry Holt and Company.

Harvard

Lewis D. L., . (1995). W.E.B Du Bois. New York: Henry Holt and Company.

MLA

Lewis David L, . W.E.B Du Bois. New York: Henry Holt and Company. 1995.