APA (7th ed.) Citation

Hubbard & Sweetman. (1993). GCSE English. Letts Educational.

Chicago Style (17th ed.) Citation

Hubbard and Sweetman. GCSE English. London: Letts Educational, 1993.

MLA (8th ed.) Citation

Hubbard and Sweetman. GCSE English. Letts Educational, 1993.

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