MLA

Werner, Heinz, and Bernard Kaplan. Symbol Formation : an Organismic-developmental Approach to Language and the Expression of Thought. New York: Wiley, 1963.

APA

Werner, H., & Kaplan, B. (1963). Symbol formation : an organismic-developmental approach to language and the expression of thought. New York: Wiley.

Chicago

Werner, Heinz, and Bernard Kaplan. Symbol Formation: An Organismic-Developmental Approach to Language and the Expression of Thought. New York: Wiley, 1963.