APA (7th ed.) Citation

Penn, D., O'Hagan, C., & Malone, R. L. (1962). Test your understanding of English. Macmillan.

Chicago Style (17th ed.) Citation

Penn, D., C. O'Hagan, and R. L. Malone. Test Your Understanding of English. London: Macmillan, 1962.

MLA (9th ed.) Citation

Penn, D., et al. Test Your Understanding of English. Macmillan, 1962.