APA (7th ed.) Citation
Alexander, L. G. (1987). Fluency in English: An Integrated Course for Advanced Students (21 impression.). Longman Group UK.
Chicago Style (17th ed.) Citation
Alexander, Louis George. Fluency in English: An Integrated Course for Advanced Students. 21 impression. Harlow: Longman Group UK, 1987.
MLA (9th ed.) Citation
Alexander, Louis George. Fluency in English: An Integrated Course for Advanced Students. 21 impression. Longman Group UK, 1987.
Warning: These citations may not always be 100% accurate.