Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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