APA (7th ed.) Citation

Clarke, W. M., & Pulay, G. (1971). The world's money: How it works. Praeger.

Chicago Style (17th ed.) Citation

Clarke, William M., and George Pulay. The World's Money: How It Works. New York: Praeger, 1971.

MLA (9th ed.) Citation

Clarke, William M., and George Pulay. The World's Money: How It Works. Praeger, 1971.