Cita APA (7a ed.)

Proctor, C. (2017). Positive psychology interventions in practice. Springer.

Cita Chicago Style (17a ed.)

Proctor, Carmel. Positive Psychology Interventions in Practice. Cham, Switzerland: Springer, 2017.

Cita MLA (9a ed.)

Proctor, Carmel. Positive Psychology Interventions in Practice. Springer, 2017.