APA (7th ed.) Citation

Books, P. (1981). Language the learner and the school. Penguin Books.

Chicago Style (17th ed.) Citation

Books, Penguin. Language the Learner and the School. Penguin Books, 1981.

MLA (8th ed.) Citation

Books, Penguin. Language the Learner and the School. Penguin Books, 1981.

Warning: These citations may not always be 100% accurate.