APA (7th ed.) Citation

Gibbons, D., Kidd, C., & Essl, M. (2008). Watching the watchmen: [the definitive companion to the ultimate graphic novel] (1st ed., Trade ed.). Titan.

Chicago Style (17th ed.) Citation

Gibbons, Dave, Chip Kidd, and Mike Essl. Watching the Watchmen: [the Definitive Companion to the Ultimate Graphic Novel]. 1st ed., Trade ed. London: Titan, 2008.

MLA (9th ed.) Citation

Gibbons, Dave, et al. Watching the Watchmen: [the Definitive Companion to the Ultimate Graphic Novel]. 1st ed., Trade ed. Titan, 2008.