APA (7th ed.) Citation

Case, D., Wilson, K., Gibb, R., & Eckersley, P. (1984). Further off-stage!: Students' book. Heinemann educational books.

Chicago Style (17th ed.) Citation

Case, Doug, Ken Wilson, Richard Gibb, and Paddy Eckersley. Further Off-stage!: Students' Book. London: Heinemann educational books, 1984.

MLA (9th ed.) Citation

Case, Doug, et al. Further Off-stage!: Students' Book. Heinemann educational books, 1984.