APA (7th ed.) Citation

Heertje, A., Skidmore, F., & Rushing, F. W. (1983). Economics. Dryden Press.

Chicago Style (17th ed.) Citation

Heertje, Arnold, Felicity Skidmore, and Francis W. Rushing. Economics. Chicago: Dryden Press, 1983.

MLA (8th ed.) Citation

Heertje, Arnold, et al. Economics. Dryden Press, 1983.