Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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