APA (7th ed.) Citation

McGraw-Hill, Bingham, R., & Walstad, W. (1993). Economics (20th.). McGraw-Hill.

Chicago Style (17th ed.) Citation

McGraw-Hill, R. Bingham, and W. Walstad. Economics. 20th. New York: McGraw-Hill, 1993.

MLA (8th ed.) Citation

McGraw-Hill, et al. Economics. 20th. McGraw-Hill, 1993.