APA Edition Citation

Spencer, D. H., & Hornby, A. S. (1954). Intermediate English course for adult learners.

Chicago Edition Citation

Spencer, D. H., and A. S. Hornby. Intermediate English Course for Adult Learners. 1954.

MLA Edition Citation

Spencer, D. H., and A. S. Hornby. Intermediate English Course for Adult Learners. 1954.

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