APA (7th ed.) Citation

Garver, F. B., & Hansen, A. H. (1937). Principles of economics (Rev. ed.). Ginn.

Chicago Style (17th ed.) Citation

Garver, Frederic Benjamin, and Alvin H. Hansen. Principles of Economics. Rev. ed. Boston, New York: Ginn, 1937.

MLA (9th ed.) Citation

Garver, Frederic Benjamin, and Alvin H. Hansen. Principles of Economics. Rev. ed. Ginn, 1937.