APA (7th ed.) Citation

Mitchell, B., & Mitchell, L. P. (1938). Practical problems in economics. H. Holt.

Chicago Style (17th ed.) Citation

Mitchell, Broadus, and Louise Pearson Mitchell. Practical Problems in Economics. New York: H. Holt, 1938.

MLA (9th ed.) Citation

Mitchell, Broadus, and Louise Pearson Mitchell. Practical Problems in Economics. H. Holt, 1938.