APA引文

Catlin, G. E. G. (1934). Preface to action. New York: The Macmillan company.

Trích dẫn kiểu Chicago

Catlin, George Edward Gordon. Preface to Action. New York: The Macmillan company, 1934.

MLA引文

Catlin, George Edward Gordon. Preface to Action. New York: The Macmillan company, 1934.

警告：这些引文格式不一定是100％准确.