APA (7th ed.) Citation

Mason, M. P., & Bamber, B. (1981). English for E.G.B. 7º. Anaya.

Chicago Style (17th ed.) Citation

Mason, Maurice P., and Brian Bamber. English for E.G.B. 7º. Madrid: Anaya, 1981.

MLA (9th ed.) Citation

Mason, Maurice P., and Brian Bamber. English for E.G.B. 7º. Anaya, 1981.