APA (7th ed.) Citation

Library Pass, LLC, Roberson, C., & Mignola, . M. (2019). Hellboy and the BPRD: 1956. Dark Horse.

Chicago Style (17th ed.) Citation

Library Pass, LLC, Chris Roberson, and Mike Mignola. Hellboy and the BPRD: 1956. [United States]: Dark Horse, 2019.

MLA (9th ed.) Citation

Library Pass, LLC, et al. Hellboy and the BPRD: 1956. Dark Horse, 2019.