APA (7th ed.) Citation

Day, A. C. L. (1968). The economics of money (2nd ed.). Oxford U.P..

Chicago Style (17th ed.) Citation

Day, A. C. L. The Economics of Money. 2nd ed. London, New York [etc.]: Oxford U.P., 1968.

MLA (9th ed.) Citation

Day, A. C. L. The Economics of Money. 2nd ed. Oxford U.P., 1968.