The Souls of Black Folk.

MLA

Du Bois, W.E.B, Donald B Gibson, and Monica M Elbert. The Souls of Black Folk. New York: Pinguin Group, 1996.

APA

Du Bois, W., Gibson, D. B, & Elbert, M. M. (1996). The Souls of Black Folk. New York: Pinguin Group.

Chicago

Du Bois, W.E.B., Donald B Gibson, and Monica M Elbert. The Souls of Black Folk. New York: Pinguin Group, 1996.