APA (7th ed.) Citation

Ely, R. T., Adams, T. S., Lorenz, M. O., & Young, A. A. (1916). Outlines of economics ((3d rev. ed.).). Macmillan.

Chicago Style (17th ed.) Citation

Ely, Richard T., Thomas Sewall Adams, Max Otto Lorenz, and Allyn A. Young. Outlines of Economics. (3d rev. ed.). New York: Macmillan, 1916.

MLA (9th ed.) Citation

Ely, Richard T., et al. Outlines of Economics. (3d rev. ed.). Macmillan, 1916.