APA (7th ed.) Citation

King, W. I., & Epstein, L. (1930). The national income and its purchasing power. National Bureau of Economic Research, inc..

Chicago Style (17th ed.) Citation

King, Willford Isbell, and Lillian Epstein. The National Income and Its Purchasing Power. New York: National Bureau of Economic Research, inc., 1930.

MLA (9th ed.) Citation

King, Willford Isbell, and Lillian Epstein. The National Income and Its Purchasing Power. National Bureau of Economic Research, inc., 1930.