APA引文

Schaefer, R. T. (2013). Sociology: A brief introduction. New York: McGraw-Hill.

Trích dẫn kiểu Chicago

Schaefer, Richard T. Sociology: A Brief Introduction. New York: McGraw-Hill, 2013.

MLA引文

Schaefer, Richard T. Sociology: A Brief Introduction. New York: McGraw-Hill, 2013.

警告：這些引文格式不一定是100％准確.