Cita APA (7a ed.)

Gwynne, P., & Jeffries, B. (1994). Energy and physics. Time Life Asia.

Cita Chicago Style (17a ed.)

Gwynne, Peter, y Brian Jeffries. Energy and Physics. U.S.A.: Time Life Asia, 1994.

Cita MLA (9a ed.)

Gwynne, Peter, y Brian Jeffries. Energy and Physics. Time Life Asia, 1994.