Leider, R. J., & Shapiro, D. A. (2008). Something to live for: Finding your way in the second half of life. Berrett-Koehler Pub.
Cita Chicago Style (17a ed.)Leider, Richard J., y David A. Shapiro. Something to Live for: Finding Your Way in the Second Half of Life. San Francisco, CA: Berrett-Koehler Pub, 2008.
Cita MLA (8a ed.)Leider, Richard J., y David A. Shapiro. Something to Live for: Finding Your Way in the Second Half of Life. Berrett-Koehler Pub, 2008.
Precaución: Estas citas no son 100% exactas.