APA (7th ed.) Citation

Tamora Pierce. (2005). The Circle Pens: Shatterglass. Scholastic Books Ltd.

Chicago Style (17th ed.) Citation

Tamora Pierce. The Circle Pens: Shatterglass. UK: Scholastic Books Ltd, 2005.

MLA (9th ed.) Citation

Tamora Pierce. The Circle Pens: Shatterglass. Scholastic Books Ltd, 2005.

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