Cita APA (7a ed.)

Peterson, C., & Park, N. (2003). Positive psychology as the evenhanded positive psychologist views it. [s.n.].

Cita Chicago Style (17a ed.)

Peterson, Christopher, y Nansook Park. Positive Psychology as the Evenhanded Positive Psychologist Views It. [S.l.]: [s.n.], 2003.

Cita MLA (9a ed.)

Peterson, Christopher, y Nansook Park. Positive Psychology as the Evenhanded Positive Psychologist Views It. [s.n.], 2003.