APA (7th ed.) Citation

Knapp, M. L. (2010). Nonverbal communication inhuman interaction. Wadsworth Cengage learning.

Chicago Style (17th ed.) Citation

Knapp, Mark L. Nonverbal Communication Inhuman Interaction. Wadsworth Cengage learning, 2010.

MLA (8th ed.) Citation

Knapp, Mark L. Nonverbal Communication Inhuman Interaction. Wadsworth Cengage learning, 2010.

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