APA (7th ed.) Citation

Kretchmer, N. 1. (1970). Environmental influences on genetic expression: Biological and behavioral aspects of sexual differentiation. National Institute of Health.

Chicago Style (17th ed.) Citation

Kretchmer, Norman 1923. Environmental Influences on Genetic Expression: Biological and Behavioral Aspects of Sexual Differentiation. Bethesda, MD: National Institute of Health, 1970.

MLA (9th ed.) Citation

Kretchmer, Norman 1923. Environmental Influences on Genetic Expression: Biological and Behavioral Aspects of Sexual Differentiation. National Institute of Health, 1970.

Warning: These citations may not always be 100% accurate.