APA引文

Conrad, J. (1993). Heart of darkness. London: David Campbell publishers.

Trích dẫn kiểu Chicago

Conrad, Joseph. Heart of Darkness. London: David Campbell publishers, 1993.

MLA引文

Conrad, Joseph. Heart of Darkness. London: David Campbell publishers, 1993.

警告：這些引文格式不一定是100％准確.