Cita APA (7a ed.)

Hoyer, W. J., & Roodin, P. A. (2009). Adult development and aging (Sixth edition.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Hoyer, Willian J., y Paul A. Roodin. Adult Development and Aging. Sixth edition. Boston: McGraw-Hill, 2009.

Cita MLA (9a ed.)

Hoyer, Willian J., y Paul A. Roodin. Adult Development and Aging. Sixth edition. McGraw-Hill, 2009.