APA (7th ed.) Citation

Ennis, G., Simpson, W., Dillon, S., & Hoffman, M. (2007). John Constantine, hellblazer. Vertigo.

Chicago Style (17th ed.) Citation

Ennis, Garth, Will Simpson, Steve Dillon, and Mike Hoffman. John Constantine, Hellblazer. New York: Vertigo, 2007.

MLA (9th ed.) Citation

Ennis, Garth, et al. John Constantine, Hellblazer. Vertigo, 2007.