APA (7th ed.) Citation

Duffey, B., & Wilson, J. (1994). The gadget war. Puffin.

Chicago Style (17th ed.) Citation

Duffey, Betsy, and Janet Wilson. The Gadget War. New York, N.Y.: Puffin, 1994.

MLA (8th ed.) Citation

Duffey, Betsy, and Janet Wilson. The Gadget War. Puffin, 1994.