Cita APA (7a ed.)

Allen, W. S. (1955). Living English structure: A practice book for foreign students and key (3rd ed.). Longmans, Green and Co.

Cita Chicago Style (17a ed.)

Allen, W. Stannard. Living English Structure: A Practice Book for Foreign Students and Key. 3rd ed. London [etc.]: Longmans, Green and Co, 1955.

Cita MLA (9a ed.)

Allen, W. Stannard. Living English Structure: A Practice Book for Foreign Students and Key. 3rd ed. Longmans, Green and Co, 1955.