Cita APA (7a ed.)

Allen, W. S. (1959). Living English structure (4rd. ed.). Longman.

Cita Chicago Style (17a ed.)

Allen, W. Stannard. Living English Structure. 4rd. ed. London: Longman, 1959.

Cita MLA (8a ed.)

Allen, W. Stannard. Living English Structure. 4rd. ed. Longman, 1959.