APA (7th ed.) Citation

Morrow-Howell, N., Sherraden, M., & Hinterlong, J. (2001). Productive aging: Concepts and challenges. Johns Hopkins.

Chicago Style (17th ed.) Citation

Morrow-Howell, Nancy, Michael Sherraden, and James Hinterlong. Productive Aging: Concepts and Challenges. Baltimore [etc.]: Johns Hopkins, 2001.

MLA (9th ed.) Citation

Morrow-Howell, Nancy, et al. Productive Aging: Concepts and Challenges. Johns Hopkins, 2001.