APA (7th ed.) Citation

Chaykin, H. V., Tischman, D., & Henrichon, N. (2003). Barnum! in secret service to the USA. Vertigo/DC Comics.

Chicago Style (17th ed.) Citation

Chaykin, Howard V., David Tischman, and Niko Henrichon. Barnum! in Secret Service to the USA. New York: Vertigo/DC Comics, 2003.

MLA (9th ed.) Citation

Chaykin, Howard V., et al. Barnum! in Secret Service to the USA. Vertigo/DC Comics, 2003.