APA (7th ed.) Citation

Campbell, M., Hardy, M., & Healey, N. (1989). Controversy in applied economics. Harvester Wheatsheaf.

Chicago Style (17th ed.) Citation

Campbell, Mike, Mike Hardy, and Nige Healey. Controversy in Applied Economics. New York: Harvester Wheatsheaf, 1989.

MLA (9th ed.) Citation

Campbell, Mike, et al. Controversy in Applied Economics. Harvester Wheatsheaf, 1989.