Cita APA (7th ed.)

Murrell, J. N., Kettle, S. F. A., & Tedder, J. M. (1965). Valence theory. Wiley.

Cita Chicago (17th ed.)

Murrell, J. N., Sidney Francis Alan Kettle, i J. M. Tedder. Valence Theory. London, New York: Wiley, 1965.

Cita MLA (8th ed.)

Murrell, J. N., et al. Valence Theory. Wiley, 1965.

Atenció: Aquestes cites poden no estar 100% correctes.