APA (7th ed.) Citation

CORNISH, T., & HORNCASTLE, B. (1991). Central news: Activity book 4. Oxford Univ. Press.

Chicago Style (17th ed.) Citation

CORNISH, Tony, and Bill HORNCASTLE. Central News: Activity Book 4. New York: Oxford Univ. Press, 1991.

MLA (9th ed.) Citation

CORNISH, Tony, and Bill HORNCASTLE. Central News: Activity Book 4. Oxford Univ. Press, 1991.