APA (7th ed.) Citation

Alexander, L. G. (1978). Mainline: Beginners a (student's book). Longman Group Ltd.

Chicago Style (17th ed.) Citation

Alexander, L. G. Mainline: Beginners a (student's Book). London: Longman Group Ltd, 1978.

MLA (9th ed.) Citation

Alexander, L. G. Mainline: Beginners a (student's Book). Longman Group Ltd, 1978.

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