APA (7th ed.) Citation

(1986). Language, the learner and the school (3. ed.). Penguin Books.

Chicago Style (17th ed.) Citation

Language, the Learner and the School. 3. ed. Harmondsworth: Penguin Books, 1986.

MLA (9th ed.) Citation

Language, the Learner and the School. 3. ed. Penguin Books, 1986.