APA Style

Knapp, M, L., Vangelisti, A, L. (c1999). Interpersonal communication and human relationships (4th ed.). Boston: Allyn and Bacon.

MLA Style

Knapp, Mark, L.., Vangelisti, Anita, L.. "Interpersonal communication and human relationships". 4th ed. Boston: Allyn and Bacon, c1999. Text.