APA (7th ed.) Citation

Friedman, M. (2017). Optimum quantity of money (First issued in hardback.). Routledge.

Chicago Style (17th ed.) Citation

Friedman, Milton. Optimum Quantity of Money. First issued in hardback. New York ; London: Routledge, 2017.

MLA (9th ed.) Citation

Friedman, Milton. Optimum Quantity of Money. First issued in hardback. Routledge, 2017.