Citazione Stile APA (7a Edizione)

Leontev, A. A., & James, C. V. (1981). Psychology and the language learning process. Pergamon Press.

Citazione stile Chigago Style (17a edizione)

Leontev, Aleksei Alekseevich, e C. V. James. Psychology and the Language Learning Process. Oxford: Pergamon Press, 1981.

Citatione MLA (9a ed.)

Leontev, Aleksei Alekseevich, e C. V. James. Psychology and the Language Learning Process. Pergamon Press, 1981.