Cita APA (7a ed.)

Cummins, R., & Nistico, H. (2002). Maintaining life satisfaction, the role of positive cognitive bias. [s.n.].

Cita Chicago Style (17a ed.)

Cummins, Robert, y Helen Nistico. Maintaining Life Satisfaction, the Role of Positive Cognitive Bias. [S.l.]: [s.n.], 2002.

Cita MLA (9a ed.)

Cummins, Robert, y Helen Nistico. Maintaining Life Satisfaction, the Role of Positive Cognitive Bias. [s.n.], 2002.

Precaución: Estas citas no son 100% exactas.