Style de citation APA (7e éd.)

Seligson, P. (1997). Helping students to speak. (1a. ed.). Richmond Publishing.

Style de citation Chicago (17e éd.)

Seligson, Paul. Helping Students to Speak. 1a. ed. España: Richmond Publishing, 1997.

Style de citation MLA (9e éd.)

Seligson, Paul. Helping Students to Speak. 1a. ed. Richmond Publishing, 1997.