APA引文

Wellek, R. (1956). Theory of literature. Penguin.

芝加哥风格引文

Wellek, Rene. Theory of Literature. New York: Penguin, 1956.

MLA引文

Wellek, Rene. Theory of Literature. Penguin, 1956.

警告：这些引文格式不一定是100％准确.