APA引文

(1946). Preface to philosophy: Textbook. New York: The Macmillan company.

Trích dẫn kiểu Chicago

Preface to Philosophy: Textbook. New York: The Macmillan company, 1946.

MLA引文

Preface to Philosophy: Textbook. New York: The Macmillan company, 1946.

警告：这些引文格式不一定是100％准确.