APA (7th ed.) Citation

Allen , W. S. (1950). Living english structure: A practice book for foreign students and key (2. ed. with key.). Longmans, Green and Co.

Chicago Style (17th ed.) Citation

Allen , William Stannard. Living English Structure: A Practice Book for Foreign Students and Key. 2. ed. with key. London: Longmans, Green and Co, 1950.

MLA (8th ed.) Citation

Allen , William Stannard. Living English Structure: A Practice Book for Foreign Students and Key. 2. ed. with key. Longmans, Green and Co, 1950.