APA (7th ed.) Citation

Ashenfelter, O., & Layard, R. (2002). Handbook of labor economics (1st ed., 4th impression.). Elsevier.

Chicago Style (17th ed.) Citation

Ashenfelter, Orley, and Richard Layard. Handbook of Labor Economics. 1st ed., 4th impression. Amsterdam [etc.]: Elsevier, 2002.

MLA (9th ed.) Citation

Ashenfelter, Orley, and Richard Layard. Handbook of Labor Economics. 1st ed., 4th impression. Elsevier, 2002.