Cita APA (7th ed.)
National Bureau of Economic Research, ebrary, Inc, & Wise, D. A. (1989). The economics of aging. University of Chicago Press.
Cita Chicago (17th ed.)
National Bureau of Economic Research, Inc ebrary, i David A. Wise. The Economics of Aging. Chicago: University of Chicago Press, 1989.
Cita MLA (9th ed.)
National Bureau of Economic Research, et al. The Economics of Aging. University of Chicago Press, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.