APA Edition Citation

Spencer, D. H., & Hornby, A. S. (1959). Intermediate English course for adult learners. O U P.

Chicago Edition Citation

Spencer, D H., and A S. Hornby. Intermediate English Course for Adult Learners. Calcutta: O U P, 1959.

MLA Edition Citation

Spencer, D H., and A S. Hornby. Intermediate English Course for Adult Learners. O U P, 1959.