APA (7e ed.) Bronvermelding

Costa, D. L. (1998). The evolution of retirement: An American economic history, 1880-1990. University of Chicago Press.

Chicago (17e ed.) Bronvermelding

Costa, Dora L. The Evolution of Retirement: An American Economic History, 1880-1990. Chicago: University of Chicago Press, 1998.

MLA (9e ed.) Bronvermelding

Costa, Dora L. The Evolution of Retirement: An American Economic History, 1880-1990. University of Chicago Press, 1998.