APA
National Industrial Conference Board (New York), . (1956). Forty years of economic growth. New York: National Industrial Conference Board U. S. A.
Chicago
National Industrial Conference Board (New York), . 1956. Forty years of economic growth. New York: National Industrial Conference Board U. S. A.
Harvard
National Industrial Conference Board (New York), . (1956). Forty years of economic growth. New York: National Industrial Conference Board U. S. A.
MLA
National Industrial Conference Board (New York), . Forty years of economic growth. New York: National Industrial Conference Board U. S. A. 1956.
