APA (7th ed.) Citation

Gordon, L. J. (1950). Elementary economics. American Book Company.

Chicago Style (17th ed.) Citation

Gordon, Leland J. Elementary Economics. New York: American Book Company, 1950.

MLA (9th ed.) Citation

Gordon, Leland J. Elementary Economics. American Book Company, 1950.

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