APA (7th ed.) Citation

Ferguson, C. E., & Kreps, J. M. (1965). Principles of economics (2nd ed.). Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Ferguson, C. E., and Juanita M. Kreps. Principles of Economics. 2nd ed. New York: Holt, Rinehart and Winston, 1965.

MLA (9th ed.) Citation

Ferguson, C. E., and Juanita M. Kreps. Principles of Economics. 2nd ed. Holt, Rinehart and Winston, 1965.