APA (7th ed.) Citation

Armstrong, J., & Smith, O. (2005). Magnus at the fire. Simon & Schuster Books for Young Readers.

Chicago Style (17th ed.) Citation

Armstrong, Jennifer, and Owen Smith. Magnus at the Fire. New York: Simon & Schuster Books for Young Readers, 2005.

MLA (9th ed.) Citation

Armstrong, Jennifer, and Owen Smith. Magnus at the Fire. Simon & Schuster Books for Young Readers, 2005.