APA (7th ed.) Citation

Nellis, J. G., & Parker, D. (1990). The essence of the economy / Joseph G. Nellis and David Parker. Prentice Hall.

Chicago Style (17th ed.) Citation

Nellis, J. G., and David Parker. The Essence of the Economy / Joseph G. Nellis and David Parker. Hemel Hempstead: Prentice Hall, 1990.

MLA (9th ed.) Citation

Nellis, J. G., and David Parker. The Essence of the Economy / Joseph G. Nellis and David Parker. Prentice Hall, 1990.

Warning: These citations may not always be 100% accurate.