Cita APA

Singer, B. H., & Manton, K. G. (1998). The effects of health changes on projections of health service needs for the elderly population of the United States. The National Academy of Sciences.

Citación estilo Chicago

Singer, Burton H., y Kenneth G. Manton. The Effects of Health Changes On Projections of Health Service Needs for the Elderly Population of the United States. The National Academy of Sciences, 1998.

Cita MLA

Singer, Burton H., y Kenneth G. Manton. The Effects of Health Changes On Projections of Health Service Needs for the Elderly Population of the United States. The National Academy of Sciences, 1998.