APA-viite (7. p.)
National Bureau of Economic Research, ebrary, Inc, & Wise, D. A. (1989). The economics of aging. University of Chicago Press.
Chicago-viite (17. p.)
National Bureau of Economic Research, Inc ebrary, ja David A. Wise. The Economics of Aging. Chicago: University of Chicago Press, 1989.
MLA-viite (9. p.)
National Bureau of Economic Research, et al. The Economics of Aging. University of Chicago Press, 1989.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.