APA

Harper R. G., Wiens A. N. & Matarazzo J. D. (1978). Nonverbal communication: the state of the art. New York: Wiley.

Chicago

Harper Robert Gale, Wiens Arthur N and Matarazzo Joseph D. 1978. Nonverbal communication: the state of the art. New York: Wiley.

Harvard

Harper R. G., Wiens A. N. and Matarazzo J. D. (1978). Nonverbal communication: the state of the art. New York: Wiley.

MLA

Harper Robert Gale, Wiens Arthur N and Matarazzo Joseph D. Nonverbal communication: the state of the art. New York: Wiley. 1978.