Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Biddle, Bruce J., y Edwin John Thomas. Role Theory: Concepts and Research. New York [etc.]: John Wiley & Sons, 1966.

Cita MLA (9a ed.)

Biddle, Bruce J., y Edwin John Thomas. Role Theory: Concepts and Research. John Wiley & Sons, 1966.