APA (7th ed.) Citation

Hoover, G. (1950). Twentieth century economic thought. Philosophical Library.

Chicago Style (17th ed.) Citation

Hoover, Glenn. Twentieth Century Economic Thought. New York: Philosophical Library, 1950.

MLA (9th ed.) Citation

Hoover, Glenn. Twentieth Century Economic Thought. Philosophical Library, 1950.

Warning: These citations may not always be 100% accurate.