APA (7th ed.) Citation

McCrum, R., & Cran, W. (1987). The story of English. Penguin Books.

Chicago Style (17th ed.) Citation

McCrum, Robert, and William Cran. The Story of English. Harmondsworth, Middlesex Eng: Penguin Books, 1987.

MLA (9th ed.) Citation

McCrum, Robert, and William Cran. The Story of English. Penguin Books, 1987.