Conrad, J., & O'Prey, P. (1986). Heart of darkness: Joseph Conrad. Ed. with introduction by Paul O'Prey. Penguin Books.
Chicago-Zitierstil (17. Ausg.)Conrad, Joseph, 与 Paul O'Prey. Heart of Darkness: Joseph Conrad. Ed. with Introduction by Paul O'Prey. Harmondsworth: Penguin Books, 1986.
MLA-Zitierstil (8. Ausg.)Conrad, Joseph, 与 Paul O'Prey. Heart of Darkness: Joseph Conrad. Ed. with Introduction by Paul O'Prey. Penguin Books, 1986.
警告：这些引文格式不一定是100％准确.