Hart, M., & Holden, P. (1998). The Usborne nature trail book. London: Usborne.
Chicago Style CitationHart, Malcolm., and Peter Holden. The Usborne Nature Trail Book. London: Usborne, 1998.
MLA CitationHart, Malcolm., and Peter Holden. The Usborne Nature Trail Book. London: Usborne, 1998.
Warning: These citations may not always be 100% accurate.