APA (7th ed.) Citation

Low, O. (1990). Proficiency in English course (repr.). Arnold.

Chicago Style (17th ed.) Citation

Low, Ona. Proficiency in English Course. repr. London: Arnold, 1990.

MLA (9th ed.) Citation

Low, Ona. Proficiency in English Course. repr. Arnold, 1990.

Warning: These citations may not always be 100% accurate.