Citação norma APA
Hefferon, K., & Boniwell, I. (2011). Positive psychology: Theory, research and applications. Open University Press/McGraw-Hill.
Citação norma Chicago
Hefferon, Kate, and Ilona Boniwell. Positive Psychology: Theory, Research and Applications. Maidenhead, Berkshire ; New York: Open University Press/McGraw-Hill, 2011.
Citação norma MLA
Hefferon, Kate, and Ilona Boniwell. Positive Psychology: Theory, Research and Applications. Open University Press/McGraw-Hill, 2011.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.