APA (7th ed.) Citation

Thomson, A. J., & Martinet, A. V. (1980). A practical English grammar (2nd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Thomson, A. J., and A. V. Martinet. A Practical English Grammar. 2nd ed. Oxford: Oxford University Press, 1980.

MLA (8th ed.) Citation

Thomson, A. J., and A. V. Martinet. A Practical English Grammar. 2nd ed. Oxford University Press, 1980.