Cita APA (7a ed.)

Purington, C., Butler, C., & Fister Gale, S. (2003). Built to Learn. Amacom.

Cita Chicago Style (17a ed.)

Purington, Cliff, Chris Butler, y Sarah Fister Gale. Built to Learn. Amacom, 2003.

Cita MLA (8a ed.)

Purington, Cliff, et al. Built to Learn. Amacom, 2003.