Ripley, W. Z. (1937). The races of Europe: A sociological study (Lowell institute lectures). D. Appleton-Century Co..
Chicago Style (17th ed.) CitationRipley, William Zebina. The Races of Europe: A Sociological Study (Lowell Institute Lectures). New York: D. Appleton-Century Co., 1937.
MLA (9th ed.) CitationRipley, William Zebina. The Races of Europe: A Sociological Study (Lowell Institute Lectures). D. Appleton-Century Co., 1937.
Warning: These citations may not always be 100% accurate.