Cita APA (7th ed.)

Stewart, J. (1986). Bridges not walls: A book about interpersonal communication (4th ed.). Random House.

Cita Chicago (17th ed.)

Stewart, John. Bridges Not Walls: A Book About Interpersonal Communication. 4th ed. New York: Random House, 1986.

Cita MLA (9th ed.)

Stewart, John. Bridges Not Walls: A Book About Interpersonal Communication. 4th ed. Random House, 1986.