Παραπομπή APA

Murrell, J. N., Kettle, S. F. A., & Tedder, J. M. (1969). Valence theory (2d ed.). J. Wiley.

Παραπομπή Chicago Style

Murrell, J. N., S. F. A. Kettle, και John M. Tedder. Valence Theory. 2d ed. London, New York: J. Wiley, 1969.

Παραπομπή MLA

Murrell, J. N., et al. Valence Theory. 2d ed. J. Wiley, 1969.