Cita APA (7th ed.)

Biddle, B. J., & Thomas, E. J. (1966). Role theory: Concepts and research. Wiley.

Cita Chicago (17th ed.)

Biddle, Bruce Jesse, i Edwin John Thomas. Role Theory: Concepts and Research. New York: Wiley, 1966.

Cita MLA (9th ed.)

Biddle, Bruce Jesse, i Edwin John Thomas. Role Theory: Concepts and Research. Wiley, 1966.