Cita APA (7th ed.)

Knapp, M. L., Hall, J. A., & Horgan, T. G. (2014). Nonverbal communication in human interaction (Eight edition, International edition.). Wadsworth, Cengage Learning.

Cita Chicago (17th ed.)

Knapp, Mark L., Judith A. Hall, i Terrence G. Horgan. Nonverbal Communication in Human Interaction. Eight edition, International edition. Australia: Wadsworth, Cengage Learning, 2014.

Cita MLA (9th ed.)

Knapp, Mark L., et al. Nonverbal Communication in Human Interaction. Eight edition, International edition. Wadsworth, Cengage Learning, 2014.