APA (7th ed.) Citation

Gemmill, P. F. (1943). Fundamentals of economics (Fourth edition.). Harper.

Chicago Style (17th ed.) Citation

Gemmill, Paul F. Fundamentals of Economics. Fourth edition. New York: Harper, 1943.

MLA (9th ed.) Citation

Gemmill, Paul F. Fundamentals of Economics. Fourth edition. Harper, 1943.

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