Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.