Cita APA (7a ed.)

Layard, P. R. G., & Ashenfelter, O. (1986). Handbook of labor economics (First edition.). North-Holland.

Cita Chicago Style (17a ed.)

Layard, P. Richard G., y Orley Ashenfelter. Handbook of Labor Economics. First edition. Amsterdam [etc.]: North-Holland, 1986.

Cita MLA (9a ed.)

Layard, P. Richard G., y Orley Ashenfelter. Handbook of Labor Economics. First edition. North-Holland, 1986.