APA (7th ed.) Citation

Rogers, J., & Hornsby, B. (1979). The vowel crowd. Heinemann Educational Books.

Chicago Style (17th ed.) Citation

Rogers, Jane, and Bevé Hornsby. The Vowel Crowd. London: Heinemann Educational Books, 1979.

MLA (9th ed.) Citation

Rogers, Jane, and Bevé Hornsby. The Vowel Crowd. Heinemann Educational Books, 1979.