APA (7th ed.) Citation
Alexander, L. G. (1991). Longman English Grammar for Intermediate Students (3.Edition.). Longman Group UK.
Chicago Style (17th ed.) Citation
Alexander, Louis George. Longman English Grammar for Intermediate Students. 3.Edition. Harlow: Longman Group UK, 1991.
MLA (9th ed.) Citation
Alexander, Louis George. Longman English Grammar for Intermediate Students. 3.Edition. Longman Group UK, 1991.
Warning: These citations may not always be 100% accurate.