Cita APA (7th ed.)

Key, M. R. (1982). Nonverbal communication today: Current research. Mouton Publishers.

Cita Chicago (17th ed.)

Key, Mary Ritchie. Nonverbal Communication Today: Current Research. Berlin ; New York ; Amsterdam: Mouton Publishers, 1982.

Cita MLA (9th ed.)

Key, Mary Ritchie. Nonverbal Communication Today: Current Research. Mouton Publishers, 1982.