Cravens, H. (1978). The triumph of evolution: American scientists and the heredity-environment controversy 1900-1941. Univ. of Pennsylvania Pr.
Chicago Style (17th ed.) CitationCravens, Hamilton. The Triumph of Evolution: American Scientists and the Heredity-environment Controversy 1900-1941. Philadelphia, Pa: Univ. of Pennsylvania Pr, 1978.
MLA (9th ed.) CitationCravens, Hamilton. The Triumph of Evolution: American Scientists and the Heredity-environment Controversy 1900-1941. Univ. of Pennsylvania Pr, 1978.
Warning: These citations may not always be 100% accurate.