APA (7th ed.) Citation

Turnbull, S., & King, C. (2006). Castles. Usborne Publishing Ltd..

Chicago Style (17th ed.) Citation

Turnbull, Stephanie, and Colin King. Castles. London: Usborne Publishing Ltd., 2006.

MLA (9th ed.) Citation

Turnbull, Stephanie, and Colin King. Castles. Usborne Publishing Ltd., 2006.

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