Cita APA (7a ed.)

López Pell, A. F., Kasanzev, A., & López, M. B. (2007). POSITIVE THERAPEUTIC EFFECTS THROUGH THE INCREASE OF OPTIMISM.

Cita Chicago Style (17a ed.)

López Pell, Andrés Fernando, Alexis Kasanzev, y María Beatriz López. POSITIVE THERAPEUTIC EFFECTS THROUGH THE INCREASE OF OPTIMISM. 2007.

Cita MLA (9a ed.)

López Pell, Andrés Fernando, et al. POSITIVE THERAPEUTIC EFFECTS THROUGH THE INCREASE OF OPTIMISM. 2007.