Cita APA (7th ed.)
Kirkwood, T. B. L., & Cooper, C. L. (2014). Wellbeing in later life. John Wiley & Sons.
Cita Chicago (17th ed.)
Kirkwood, T. B. L., i Cary L. Cooper. Wellbeing in Later Life. Chichester, West Sussex: John Wiley & Sons, 2014.
Cita MLA (9th ed.)
Kirkwood, T. B. L., i Cary L. Cooper. Wellbeing in Later Life. John Wiley & Sons, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.