Cita APA (7th ed.)

Jones, M. V., & Guidon, A. W. (1972). Language development: The key to learning (1a. ed.). Charles C. Thomas.

Cita Chicago (17th ed.)

Jones, Morris Val, i Anthony W. Guidon. Language Development: The Key to Learning. 1a. ed. Springfield: Charles C. Thomas, 1972.

Cita MLA (9th ed.)

Jones, Morris Val, i Anthony W. Guidon. Language Development: The Key to Learning. 1a. ed. Charles C. Thomas, 1972.