Cita APA (7a ed.)

Ashenfelter, O., & Card, D. (1999). Handbook of labor economics (1st. ed.). Elsevier.

Cita Chicago Style (17a ed.)

Ashenfelter, Orley, y David Card. Handbook of Labor Economics. 1st. ed. Amsterdam: Elsevier, 1999.

Cita MLA (9a ed.)

Ashenfelter, Orley, y David Card. Handbook of Labor Economics. 1st. ed. Elsevier, 1999.