Cita APA

Allen, W. S. 1. (1955). Living English structure: A practice book for foreign students and key (3rd ed.). London [etc.]: Longmans, Green and Co.

Citación estilo Chicago

Allen, W. Stannard 1913-. Living English Structure: A Practice Book for Foreign Students and Key. 3rd ed. London [etc.]: Longmans, Green and Co, 1955.

Cita MLA

Allen, W. Stannard 1913-. Living English Structure: A Practice Book for Foreign Students and Key. 3rd ed. London [etc.]: Longmans, Green and Co, 1955.