APA引文

Wolf, K. (1994). Personalities and problems: Interpretative essays in world civilizations. New York: McGraw-Hill.

Trích dẫn kiểu Chicago

Wolf, Ken. Personalities and Problems: Interpretative Essays in World Civilizations. New York: McGraw-Hill, 1994.

MLA引文

Wolf, Ken. Personalities and Problems: Interpretative Essays in World Civilizations. New York: McGraw-Hill, 1994.

警告：這些引文格式不一定是100％准確.