APA (7th ed.) Citation

Day, J. P. (1930). An introduction to the money and banking system of the United States. Macmillan.

Chicago Style (17th ed.) Citation

Day, John P. An Introduction to the Money and Banking System of the United States. London: Macmillan, 1930.

MLA (9th ed.) Citation

Day, John P. An Introduction to the Money and Banking System of the United States. Macmillan, 1930.