APA引文

Armstrong, A. H. (1957). An introduction to ancient philosophy. Wesminster: The Newman Press.

Trích dẫn kiểu Chicago

Armstrong, A. H. An Introduction to Ancient Philosophy. Wesminster: The Newman Press, 1957.

MLA引文

Armstrong, A. H. An Introduction to Ancient Philosophy. Wesminster: The Newman Press, 1957.

警告：這些引文格式不一定是100％准確.