Cita APA (7a ed.)

Littlejohn, S. W. (1983). Theories of human communication (2nd ed.). Wadsworth.

Cita Chicago Style (17a ed.)

Littlejohn, Stephen W. Theories of Human Communication. 2nd ed. California: Wadsworth, 1983.

Cita MLA (9a ed.)

Littlejohn, Stephen W. Theories of Human Communication. 2nd ed. Wadsworth, 1983.