APA (7th ed.) Citation

Allen, W. S. (1969). Living English structure: A practice book for foreign students (4.ed.new impr.). Longmans.

Chicago Style (17th ed.) Citation

Allen, W. Stannard. Living English Structure: A Practice Book for Foreign Students. 4.ed.new impr. London: Longmans, 1969.

MLA (9th ed.) Citation

Allen, W. Stannard. Living English Structure: A Practice Book for Foreign Students. 4.ed.new impr. Longmans, 1969.