Gaya APA

Atchley, R, C. (2000). Social forces and aging: an introduction to social gerentology (9th ed). Belmont, CA.: Wadsworth/Thomson Learning.

Gaya MLA

Atchley, Robert, C.. "Social forces and aging: an introduction to social gerentology". 9th ed Belmont, CA.: Wadsworth/Thomson Learning, 2000. Text.