APA (7th ed.) Citation

Fairchild, F. R. (1923). Essentials of economics. American book company.

Chicago Style (17th ed.) Citation

Fairchild, Fred Rogers. Essentials of Economics. New York, Cincinnati [etc.]: American book company, 1923.

MLA (9th ed.) Citation

Fairchild, Fred Rogers. Essentials of Economics. American book company, 1923.