Cita APA

Hefferon, K., & Boniwell, I. (2011). Positive psychology: Theory, research and applications (1. ed.). Berkshire, England: McGraw-Hill : Open University Press.

Citación estilo Chicago

Hefferon, Kate, y Ilona Boniwell. Positive Psychology: Theory, Research and Applications. 1. ed. Berkshire, England: McGraw-Hill : Open University Press, 2011.

Cita MLA

Hefferon, Kate, y Ilona Boniwell. Positive Psychology: Theory, Research and Applications. 1. ed. Berkshire, England: McGraw-Hill : Open University Press, 2011.