APA (7th ed.) Citation

Nellis, J. G., & Parker, D. (1992). The Essence of business economics. Prentice-Hall.

Chicago Style (17th ed.) Citation

Nellis, J. G., and David Parker. The Essence of Business Economics. New York [N.Y.] [etc.]: Prentice-Hall, 1992.

MLA (9th ed.) Citation

Nellis, J. G., and David Parker. The Essence of Business Economics. Prentice-Hall, 1992.