APA (7th ed.) Citation

Ernst, K. (2012). Caroline's secret message, 1812. American Girl Pub..

Chicago Style (17th ed.) Citation

Ernst, Kathleen. Caroline's Secret Message, 1812. Middleton, WI: American Girl Pub., 2012.

MLA (8th ed.) Citation

Ernst, Kathleen. Caroline's Secret Message, 1812. American Girl Pub., 2012.

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