Cita APA (7a ed.)

Friedman, M. (1969). The optimum quantity of money and other essays. Macmillan and Co.

Cita Chicago Style (17a ed.)

Friedman, Milton. The Optimum Quantity of Money and Other Essays. London [etc.]: Macmillan and Co, 1969.

Cita MLA (9a ed.)

Friedman, Milton. The Optimum Quantity of Money and Other Essays. Macmillan and Co, 1969.