Cita APA (7a ed.)

Fries, J. F. (1989). Aging well: A guide for successful seniors. Addison-Wesley.

Cita Chicago Style (17a ed.)

Fries, James F. Aging Well: A Guide for Successful Seniors. Reading, MA: Addison-Wesley, 1989.

Cita MLA (9a ed.)

Fries, James F. Aging Well: A Guide for Successful Seniors. Addison-Wesley, 1989.