Cita APA (7th ed.)
Irving, P. H., & Beamish, R. (2014). The upside of aging: How long life is changing the world of health, work, innovation, policy, and purpose. Wiley.
Cita Chicago (17th ed.)
Irving, Paul H., i Rita Beamish. The Upside of Aging: How Long Life Is Changing the World of Health, Work, Innovation, Policy, and Purpose. Hoboken, New Jersey: Wiley, 2014.
Cita MLA (9th ed.)
Irving, Paul H., i Rita Beamish. The Upside of Aging: How Long Life Is Changing the World of Health, Work, Innovation, Policy, and Purpose. Wiley, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.