APA (7th ed.) Citation

Mignola, M., Roberson, C., Stewart, D., Loughridge, L., & Robins, C. (2023). Hellboy and the B.P.R.D. 1957 (First edition.). Dark Horse Books.

Chicago Style (17th ed.) Citation

Mignola, Mike, Chris Roberson, Dave Stewart, Lee Loughridge, and Clem Robins. Hellboy and the B.P.R.D. 1957. First edition. Milwaukie, OR: Dark Horse Books, 2023.

MLA (8th ed.) Citation

Mignola, Mike, et al. Hellboy and the B.P.R.D. 1957. First edition. Dark Horse Books, 2023.

Warning: These citations may not always be 100% accurate.