APA (7th ed.) Citation

Day, E. E., Davis, J. S., & Taussig, F. W. (1924). Questions on the principles of economics (Rev. ed.). Macmillan.

Chicago Style (17th ed.) Citation

Day, Edmund Ezra, Joseph Stancliffe Davis, and F. W. Taussig. Questions on the Principles of Economics. Rev. ed. New York: Macmillan, 1924.

MLA (9th ed.) Citation

Day, Edmund Ezra, et al. Questions on the Principles of Economics. Rev. ed. Macmillan, 1924.