APA (7th ed.) Citation

Allen, W. S. (1959). Living English structure: A practice book for foreign students (4. ed.). Longman.

Chicago Style (17th ed.) Citation

Allen, W. Stannard. Living English Structure: A Practice Book for Foreign Students. 4. ed. London: Longman, 1959.

MLA (9th ed.) Citation

Allen, W. Stannard. Living English Structure: A Practice Book for Foreign Students. 4. ed. Longman, 1959.