APA (7th ed.) Citation

Buckey, S. M., & Giovine, S. (2011). Clue in the castle tower: A Samantha mystery. American Girl.

Chicago Style (17th ed.) Citation

Buckey, Sarah Masters, and Sergio Giovine. Clue in the Castle Tower: A Samantha Mystery. Middleton, WI: American Girl, 2011.

MLA (8th ed.) Citation

Buckey, Sarah Masters, and Sergio Giovine. Clue in the Castle Tower: A Samantha Mystery. American Girl, 2011.

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