APA (7th ed.) Citation

Steele, E. J. (1981). Somatic selection and adaptive evolution: On the inheritance of acquired characters (2nd ed.). University of Chicago Press.

Chicago Style (17th ed.) Citation

Steele, E. J. Somatic Selection and Adaptive Evolution: On the Inheritance of Acquired Characters. 2nd ed. Chicago: University of Chicago Press, 1981.

MLA (9th ed.) Citation

Steele, E. J. Somatic Selection and Adaptive Evolution: On the Inheritance of Acquired Characters. 2nd ed. University of Chicago Press, 1981.