APA (7th ed.) Citation

National Industrial Conference Board & Martin, R. F. (1939). National income in the United States, 1799-1938. National industrial conference board,inc.

Chicago Style (17th ed.) Citation

National Industrial Conference Board and Robert F. Martin. National Income in the United States, 1799-1938. New York city: National industrial conference board,inc, 1939.

MLA (9th ed.) Citation

National Industrial Conference Board and Robert F. Martin. National Income in the United States, 1799-1938. National industrial conference board,inc, 1939.