APA (7th ed.) Citation

Doughty, P., & Thornton, G. (1973). Language study, the teacher and the learner / by P. Doughty and G. Thornton. Arnold.

Chicago Style (17th ed.) Citation

Doughty, P., and G. Thornton. Language Study, the Teacher and the Learner / by P. Doughty and G. Thornton. Arnold, 1973.

MLA (9th ed.) Citation

Doughty, P., and G. Thornton. Language Study, the Teacher and the Learner / by P. Doughty and G. Thornton. Arnold, 1973.

Warning: These citations may not always be 100% accurate.