APA (7th ed.) Citation

Powell, D. H. (2011). The aging intellect. Routledge.

Chicago Style (17th ed.) Citation

Powell, Douglas H. The Aging Intellect. New York: Routledge, 2011.

MLA (9th ed.) Citation

Powell, Douglas H. The Aging Intellect. Routledge, 2011.

Warning: These citations may not always be 100% accurate.