APA (7th ed.) Citation

ALEXANDER, L. (1980). Mainline: Beginers B (student' book). Longman.

Chicago Style (17th ed.) Citation

ALEXANDER, L.G. Mainline: Beginers B (student' Book). London: Longman, 1980.

MLA (9th ed.) Citation

ALEXANDER, L.G. Mainline: Beginers B (student' Book). Longman, 1980.