APA

Collins C. C., . (1983). Our aging population--the social security crisis. New York, N.Y: Facts on File.

Chicago

Collins Carol C, . 1983. Our aging population--the social security crisis. New York, N.Y: Facts on File.

Harvard

Collins C. C., . (1983). Our aging population--the social security crisis. New York, N.Y: Facts on File.

MLA

Collins Carol C, . Our aging population--the social security crisis. New York, N.Y: Facts on File. 1983.