APA Style

Claybourne, A., Moncrieff, S. (2006). The Usborne internet-linked introduction to genes & DNA . Saffron Hill, London: Usborne Publishing Ltd.

MLA Style

Claybourne, Anna., Moncrieff, Stephen. "The Usborne internet-linked introduction to genes & DNA". Saffron Hill, London: Usborne Publishing Ltd, 2006. Text.