APA (7th ed.) Citation

Rugg, H. O., & Krueger, M. (1933). Study guide to national recovery: An introduction to economic problems. The John Day company.

Chicago Style (17th ed.) Citation

Rugg, Harold Ordway, and Marvin Krueger. Study Guide to National Recovery: An Introduction to Economic Problems. New York: The John Day company, 1933.

MLA (9th ed.) Citation

Rugg, Harold Ordway, and Marvin Krueger. Study Guide to National Recovery: An Introduction to Economic Problems. The John Day company, 1933.