APA (7th ed.) Citation

Conference on Unemployment, Committee on Recent Economic Changes, National Bureau of Economic Research, & Hoover, H. (1929). Recent economic changes in the United States (1. ed., 3th imp.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Conference on Unemployment, Committee on Recent Economic Changes, National Bureau of Economic Research, and Herbert Hoover. Recent Economic Changes in the United States. 1. ed., 3th imp. New York [etc.]: McGraw-Hill, 1929.

MLA (9th ed.) Citation

Conference on Unemployment, Committee on Recent Economic Changes, et al. Recent Economic Changes in the United States. 1. ed., 3th imp. McGraw-Hill, 1929.