APA (7th ed.) Citation

National Industrial Conference Board & Lahee, A. W. (1930). Trends in the foreign trade of the United States. National Industrail Conference Board.

Chicago Style (17th ed.) Citation

National Industrial Conference Board and Arnold Warburton Lahee. Trends in the Foreign Trade of the United States. New York: National Industrail Conference Board, 1930.

MLA (9th ed.) Citation

National Industrial Conference Board and Arnold Warburton Lahee. Trends in the Foreign Trade of the United States. National Industrail Conference Board, 1930.