APA (7th ed.) Citation

Alexander, L. G. (1990). Longman English grammar practice (intermediate level). Longman.

Chicago Style (17th ed.) Citation

Alexander, L. G. Longman English Grammar Practice (intermediate Level). Essex, England: Longman, 1990.

MLA (9th ed.) Citation

Alexander, L. G. Longman English Grammar Practice (intermediate Level). Longman, 1990.

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