APA (7th ed.) Zitazioa

Conrad, J. (1983). Heart of darkness. Penguin.

Chicago Style (17th ed.) Zitazioa

Conrad, Joseph. Heart of Darkness. Harmondsworth: Penguin, 1983.

MLA (9th ed.) Zitazioa

Conrad, Joseph. Heart of Darkness. Penguin, 1983.