APA (7th ed.) Citation

Firestone, M., & Skeens, M. (2007). The Liberty Bell. Picture Window Books.

Chicago Style (17th ed.) Citation

Firestone, Mary., and Matthew Skeens. The Liberty Bell. Minneapolis, Minn.: Picture Window Books, 2007.

MLA (8th ed.) Citation

Firestone, Mary., and Matthew Skeens. The Liberty Bell. Picture Window Books, 2007.

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