Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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