APA (7th ed.) Citation

Alexander, L. G. (1981). Mainline: A functional, notional approach; progress B students book. Longman Group Ltd.

Chicago Style (17th ed.) Citation

Alexander, L. G. Mainline: A Functional, Notional Approach; Progress B Students Book. London: Longman Group Ltd, 1981.

MLA (9th ed.) Citation

Alexander, L. G. Mainline: A Functional, Notional Approach; Progress B Students Book. Longman Group Ltd, 1981.

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