Cita APA (7th ed.)

King, R. G., & DiMichael, E. M. (1978). Articulation and Voice: Improving oral communication. Macmillan Publishing Co., inc.

Cita Chicago (17th ed.)

King, Robert G., i Eleanor M. DiMichael. Articulation and Voice: Improving Oral Communication. New York: Macmillan Publishing Co., inc, 1978.

Cita MLA (9th ed.)

King, Robert G., i Eleanor M. DiMichael. Articulation and Voice: Improving Oral Communication. Macmillan Publishing Co., inc, 1978.