APA (7th ed.) Citation

Knapp, M. L. (2006). Nonverbal communication in human interaction (6th ed.). Thomson.

Chicago Style (17th ed.) Citation

Knapp, Mark L. Nonverbal Communication in Human Interaction. 6th ed. Belmont, California: Thomson, 2006.

MLA (9th ed.) Citation

Knapp, Mark L. Nonverbal Communication in Human Interaction. 6th ed. Thomson, 2006.

Warning: These citations may not always be 100% accurate.