APA (7th ed.) Citation

Allen, W. S. (1974). Living english structure: A practice book for foreign students (5a. ed.). Longman.

Chicago Style (17th ed.) Citation

Allen, W. Stannard. Living English Structure: A Practice Book for Foreign Students. 5a. ed. Londres: Longman, 1974.

MLA (9th ed.) Citation

Allen, W. Stannard. Living English Structure: A Practice Book for Foreign Students. 5a. ed. Longman, 1974.