Cita APA

Challoner, J. (1993). Energy. London: Dorling Kindersley.

Chicago Style Citation

Challoner, Jack. Energy. London: Dorling Kindersley, 1993.

Cita MLA

Challoner, Jack. Energy. London: Dorling Kindersley, 1993.

Atenció: Aquestes cites poden no estar 100% correctes.