APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (8वां संस्करण) प्रशस्ति पत्र

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