Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

Werner, Heinz, e Bernard Kaplan. Symbol Formation: An Organismic-developmental Approach to Language and the Expression of Thought. Nueva York: John Wiley & Sons, 1963.

Citatione MLA (9a ed.)

Werner, Heinz, e Bernard Kaplan. Symbol Formation: An Organismic-developmental Approach to Language and the Expression of Thought. John Wiley & Sons, 1963.