Citazione Stile APA (7a Edizione)

Barrett, H. (1973). Practical methods in speech (3d ed.). Rinehart.

Citazione stile Chigago Style (17a edizione)

Barrett, Harold. Practical Methods in Speech. 3d ed. San Francisco: Rinehart, 1973.

Citatione MLA (9a ed.)

Barrett, Harold. Practical Methods in Speech. 3d ed. Rinehart, 1973.