APA (7e ed.) Bronvermelding

(2015). Hellboy and the B.P.R.D. story by Mike Mignola & John Arcudi ; art by Alex Maleev ; colors by Dave Stewart ; letters by Clem Robins. 1952.

Chicago (17e ed.) Bronvermelding

Hellboy and the B.P.R.D. Story by Mike Mignola & John Arcudi ; Art by Alex Maleev ; Colors by Dave Stewart ; Letters by Clem Robins. 1952. 2015.

MLA (9e ed.) Bronvermelding

Hellboy and the B.P.R.D. Story by Mike Mignola & John Arcudi ; Art by Alex Maleev ; Colors by Dave Stewart ; Letters by Clem Robins. 1952. 2015.