APA (7th ed.) Citation

HEFFERON & Boniwell, I. (2011). Positive psychology: Theory, research and applications. Open University Press.

Chicago Style (17th ed.) Citation

HEFFERON and Ilona Boniwell. Positive Psychology: Theory, Research and Applications. Maidenhead: Open University Press, 2011.

MLA (9th ed.) Citation

HEFFERON and Ilona Boniwell. Positive Psychology: Theory, Research and Applications. Open University Press, 2011.

Warning: These citations may not always be 100% accurate.