Cita APA (7a ed.)

Vanfleet, R., & Smith, J. S. (1993). The process of change. Carfax.

Cita Chicago Style (17a ed.)

Vanfleet, Risë, y John S. Smith. The Process of Change. Abingdon, Oxfordshire: Carfax, 1993.

Cita MLA (9a ed.)

Vanfleet, Risë, y John S. Smith. The Process of Change. Carfax, 1993.