Cita APA (7a ed.)

Wiley, R. Bitter sweet twilight for sugar: Ralph Wiley. American essays - Afro-american authors.(1992).

Cita Chicago Style (17a ed.)

Wiley, Ralph. "Bitter Sweet Twilight for Sugar: Ralph Wiley." American Essays - Afro-american Authors.(1992) .

Cita MLA (8a ed.)

Wiley, Ralph. "Bitter Sweet Twilight for Sugar: Ralph Wiley." American Essays - Afro-american Authors.(1992), .