Cita APA (7th ed.)

Conrad, J., Hampson, R., & Knowles, O. (2007). Heart of darkness: With, the congo diary. Penguin Books.

Cita Chicago (17th ed.)

Conrad, Joseph, Robert Hampson, i Owen Knowles. Heart of Darkness: With, the Congo Diary. London: Penguin Books, 2007.

Cita MLA (8th ed.)

Conrad, Joseph, et al. Heart of Darkness: With, the Congo Diary. Penguin Books, 2007.