Cita APA (7a ed.)

Allen, W. S. (1967). Living english structure: A practice book for foreign students ([nueva impr.].). Longman.

Cita Chicago Style (17a ed.)

Allen, W. Stannard. Living English Structure: A Practice Book for Foreign Students. [nueva impr.]. London: Longman, 1967.

Cita MLA (9a ed.)

Allen, W. Stannard. Living English Structure: A Practice Book for Foreign Students. [nueva impr.]. Longman, 1967.