APA (7th ed.) Citation

Garver, F. B., & Hansen, A. H. (1947). Principles of economics (3rd ed.). Ginn.

Chicago Style (17th ed.) Citation

Garver, Frederic Benjamin, and Alvin Harvey Hansen. Principles of Economics. 3rd ed. Boston: Ginn, 1947.

MLA (9th ed.) Citation

Garver, Frederic Benjamin, and Alvin Harvey Hansen. Principles of Economics. 3rd ed. Ginn, 1947.