APA (7th ed.) Citation

Johnston, J., & Siberell, A. (1973). Who found America? Childrens Press.

Chicago Style (17th ed.) Citation

Johnston, Johanna, and Anne Siberell. Who Found America? Chicago: Childrens Press, 1973.

MLA (9th ed.) Citation

Johnston, Johanna, and Anne Siberell. Who Found America? Childrens Press, 1973.