Cita APA (7a ed.)

Hartley, P. (1999). Interpersonal communication (2nd ed.). Routledge.

Cita Chicago Style (17a ed.)

Hartley, Peter. Interpersonal Communication. 2nd ed. London ; New York: Routledge, 1999.

Cita MLA (9a ed.)

Hartley, Peter. Interpersonal Communication. 2nd ed. Routledge, 1999.