APA (7th ed.) Citation

Earl, B., & Wilford, L. D. (2002). IGCSE chemistry. Hodder Murray Publishers.

Chicago Style (17th ed.) Citation

Earl, B., and L. D.R Wilford. IGCSE Chemistry. United Kingdom: Hodder Murray Publishers, 2002.

MLA (9th ed.) Citation

Earl, B., and L. D.R Wilford. IGCSE Chemistry. Hodder Murray Publishers, 2002.