Cita APA (7a ed.)

Feldstein, M. S., & Siebert, H. (2002). Social security pension reform in Europe. University of Chicago Press.

Cita Chicago Style (17a ed.)

Feldstein, Martin S., y Horst Siebert. Social Security Pension Reform in Europe. Chicago: University of Chicago Press, 2002.

Cita MLA (8a ed.)

Feldstein, Martin S., y Horst Siebert. Social Security Pension Reform in Europe. University of Chicago Press, 2002.