APA (7th ed.) Citation
Alexander, L. G. (1991). Longman English Grammar. Longman Group UK.
Chicago Style (17th ed.) Citation
Alexander, Louis George. Longman English Grammar. New York: Longman Group UK, 1991.
MLA (9th ed.) Citation
Alexander, Louis George. Longman English Grammar. Longman Group UK, 1991.
Warning: These citations may not always be 100% accurate.