APA
Snyder C. R., Lopez S. J. & Pedrotti J. T. (2011). Positive Psychology: The Scientific and Practical Explorations of Human Strengths. New Delhi: Sage.
Chicago
Snyder C R, Lopez Shane J and Pedrotti Jennifer Teramoto. 2011. Positive Psychology: The Scientific and Practical Explorations of Human Strengths. New Delhi: Sage.
Harvard
Snyder C. R., Lopez S. J. and Pedrotti J. T. (2011). Positive Psychology: The Scientific and Practical Explorations of Human Strengths. New Delhi: Sage.
MLA
Snyder C R, Lopez Shane J and Pedrotti Jennifer Teramoto. Positive Psychology: The Scientific and Practical Explorations of Human Strengths. New Delhi: Sage. 2011.