Cita APA (7a ed.)

Allen, W. S. (1955). Living English Structure (3a. ed.). Longman.

Cita Chicago Style (17a ed.)

Allen, W. Stannard. Living English Structure. 3a. ed. London: Longman, 1955.

Cita MLA (9a ed.)

Allen, W. Stannard. Living English Structure. 3a. ed. Longman, 1955.