Gribbin, M., & Gribbin, J. (2003). The science of Philip Pullman's His dark materials (1. publ.). Hodder Children's Books.
Chicago Style (17th ed.) CitationGribbin, Mary, and John Gribbin. The Science of Philip Pullman's His Dark Materials. 1. publ. London: Hodder Children's Books, 2003.
MLA (9th ed.) CitationGribbin, Mary, and John Gribbin. The Science of Philip Pullman's His Dark Materials. 1. publ. Hodder Children's Books, 2003.
Warning: These citations may not always be 100% accurate.