Cita APA

Snyder, C. R., Pedrotti, J. T., & Lopez, S. J. (2011). Positive psychology: The scientific and practical explorations of human strengths (2nd ed.). Sage Publications.

Chicago Edition Citation

Snyder, C R., Jennifer Teramoto Pedrotti, i Shane J. Lopez. Positive Psychology: The Scientific and Practical Explorations of Human Strengths. 2nd ed. New Delhi: Sage Publications, 2011.

Cita MLA

Snyder, C R., et al. Positive Psychology: The Scientific and Practical Explorations of Human Strengths. 2nd ed. Sage Publications, 2011.