Style de citation APA (7e éd.)

Allen, W. (1959). Living English Structure- Key to the exercise (14th.). Orient Longman.

Style de citation Chicago (17e éd.)

Allen, W. Living English Structure- Key to the Exercise. 14th. Hyderabad: Orient Longman, 1959.

Style de citation MLA (9e éd.)

Allen, W. Living English Structure- Key to the Exercise. 14th. Orient Longman, 1959.