APA Style

Ardagh, Philip, Gordon, Mike. (2010). Knights and Castles . UK: Scholastic INC.

Chicago Style

Ardagh, Philip, Gordon, Mike. Knights and Castles. UK: Scholastic INC, 2010. Text.

MLA Style

Ardagh, Philip, Gordon, Mike. Knights and Castles. UK: Scholastic INC, 2010. Text.

Turabian Style

Ardagh, Philip, Gordon, Mike. Knights and Castles. UK: Scholastic INC, 2010. Print.