APA引文

Estvan, F. J. (1968). Social Studies In A Changing World. Harcourt.

Chicago Edition Citation

Estvan, Frank J. Social Studies In A Changing World. New York: Harcourt, 1968.

MLA引文

Estvan, Frank J. Social Studies In A Changing World. Harcourt, 1968.

警告：這些引文格式不一定是100％准確.