APA (7th ed.) Citation

Knapp, M. L. (2007). Nonverbal communication in human interaction 7th edition. Wadsworth.

Chicago Style (17th ed.) Citation

Knapp, Mark L. Nonverbal Communication in Human Interaction 7th Edition. Wadsworth, 2007.

MLA (8th ed.) Citation

Knapp, Mark L. Nonverbal Communication in Human Interaction 7th Edition. Wadsworth, 2007.

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