APA (7th ed.) Citation
Alexander, L. (1980). Practice and progress: <an> integrated course for pre-intermediate students. Longman.
Chicago Style (17th ed.) Citation
Alexander, L.G. Practice and Progress: <an> Integrated Course for Pre-intermediate Students. London: Longman, 1980.
MLA (9th ed.) Citation
Alexander, L.G. Practice and Progress: <an> Integrated Course for Pre-intermediate Students. Longman, 1980.
Warning: These citations may not always be 100% accurate.