APA (7th ed.) Citation

May, G. O. (1949). Business income and price levels: An accounting study. [publisher not identified].

Chicago Style (17th ed.) Citation

May, George Oliver. Business Income and Price Levels: An Accounting Study. [Place of publication not identified]: [publisher not identified], 1949.

MLA (9th ed.) Citation

May, George Oliver. Business Income and Price Levels: An Accounting Study. [publisher not identified], 1949.