APA (7th ed.) Citation

Gemmill, P. F. (1955). Current introductory economics. Harper.

Chicago Style (17th ed.) Citation

Gemmill, Paul F. Current Introductory Economics. New York: Harper, 1955.

MLA (9th ed.) Citation

Gemmill, Paul F. Current Introductory Economics. Harper, 1955.

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