Cita APA (7a ed.)

Conrad, J., & Kimbrough, R. (1988). Heart of darkness: An authoritative text, backgrounds and sources, criticism (3rd ed.). Norton.

Cita Chicago Style (17a ed.)

Conrad, Joseph, y Robert Kimbrough. Heart of Darkness: An Authoritative Text, Backgrounds and Sources, Criticism. 3rd ed. New York: Norton, 1988.

Cita MLA (8a ed.)

Conrad, Joseph, y Robert Kimbrough. Heart of Darkness: An Authoritative Text, Backgrounds and Sources, Criticism. 3rd ed. Norton, 1988.