APA引文

Singer, S. F. (1979). Energy. California: W.H.Freeman And Company.

Trích dẫn kiểu Chicago

Singer, S. Fred. Energy. California: W.H.Freeman And Company, 1979.

MLA引文

Singer, S. Fred. Energy. California: W.H.Freeman And Company, 1979.

警告：這些引文格式不一定是100％准確.