Cita APA

Sugar, S., & Willett, C. (2005). Games that boost performance. Pfeiffer.

Citación estilo Chicago

Sugar, Steve, and Carol Willett. Games That Boost Performance. San Francisco, Calif: Pfeiffer, 2005.

Cita MLA

Sugar, Steve, and Carol Willett. Games That Boost Performance. Pfeiffer, 2005.