Style de citation APA (7e éd.)

Petzold, P. (1979). Light on people (2nd ed.). Focal Press.

Style de citation Chicago (17e éd.)

Petzold, Paul. Light on People. 2nd ed. London: Focal Press, 1979.

Style de citation MLA (9e éd.)

Petzold, Paul. Light on People. 2nd ed. Focal Press, 1979.