Leider, R., & Shapiro, D. A. (2021). Who do you want to be when you grow old?: The path of purposeful aging (First edition.). Berrett-Koehler Publishers, Inc..
Style de citation Chicago (17e éd.)Leider, Richard, et David A. Shapiro. Who Do You Want to Be When You Grow Old?: The Path of Purposeful Aging. First edition. Oakland, CA: Berrett-Koehler Publishers, Inc., 2021.
Style de citation MLA (8e éd.)Leider, Richard, et David A. Shapiro. Who Do You Want to Be When You Grow Old?: The Path of Purposeful Aging. First edition. Berrett-Koehler Publishers, Inc., 2021.
Attention : ces citations peuvent ne pas être correctes à 100%.