APA (7th ed.) Citation

Ashenfelter, O., & Hallock, K. F. (1997). The collected essays. Elgar.

Chicago Style (17th ed.) Citation

Ashenfelter, Orley, and Kevin F. Hallock. The Collected Essays. Cheltenham [u.a.]: Elgar, 1997.

MLA (9th ed.) Citation

Ashenfelter, Orley, and Kevin F. Hallock. The Collected Essays. Elgar, 1997.