APA (7th ed.) Citation

Avi & Floca, B. (1993). City of light, city of dark. Scholastic.

Chicago Style (17th ed.) Citation

Avi and Brian Floca. City of Light, City of Dark. New York: Scholastic, 1993.

MLA (9th ed.) Citation

Avi and Brian Floca. City of Light, City of Dark. Scholastic, 1993.