APA (7th ed.) Citation

Fox, G. F., O'Neil, D., & Sekowsky, M. (2002). Crisis on multiple earths. DC Comics.

Chicago Style (17th ed.) Citation

Fox, Gardner F., Dennis O'Neil, and Mike Sekowsky. Crisis on Multiple Earths. New York: DC Comics, 2002.

MLA (9th ed.) Citation

Fox, Gardner F., et al. Crisis on Multiple Earths. DC Comics, 2002.