APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Penn, D., et al. Test Your English: D. Penn. C. O'Hagan, R. L. Malone. Macmillan, 1962.