Cita APA (7a ed.)

Hardy, M. A., & Hazelrigg, L. E. (2007). Pension Puzzles: Social Security and the Great Debate. Russell Sage Foundation.

Cita Chicago Style (17a ed.)

Hardy, Melissa A., y Lawrence E. Hazelrigg. Pension Puzzles: Social Security and the Great Debate. New York: Russell Sage Foundation, 2007.

Cita MLA (8a ed.)

Hardy, Melissa A., y Lawrence E. Hazelrigg. Pension Puzzles: Social Security and the Great Debate. Russell Sage Foundation, 2007.