APA (7th ed.) Citation
Thomson, A., & Martinet, A. (1981). <A> Practical English grammar (3. Ed.). University Press.
Chicago Style (17th ed.) Citation
Thomson, A.J, and A.V Martinet. <A> Practical English Grammar. 3. Ed. Oxford: University Press, 1981.
MLA (9th ed.) Citation
Thomson, A.J, and A.V Martinet. <A> Practical English Grammar. 3. Ed. University Press, 1981.
Warning: These citations may not always be 100% accurate.