APA (7th ed.) Citation

Umbreit, M. H., Kinter, C. V., & Hunt, E. F. (1950). Modern economic problems. McGraw-Hill.

Chicago Style (17th ed.) Citation

Umbreit, Myron Henry, Charles V. Kinter, and Elgin F. Hunt. Modern Economic Problems. New York: McGraw-Hill, 1950.

MLA (9th ed.) Citation

Umbreit, Myron Henry, et al. Modern Economic Problems. McGraw-Hill, 1950.