Mignola, M., Gianni, G., & Stewart, D. (2017). Hellboy (First edition.). Dark Horse Books.
Cita Chicago Style (17a ed.)Mignola, Mike, Gary Gianni, y Dave Stewart. Hellboy. First edition. Milwaukie, OR: Dark Horse Books, 2017.
Cita MLA (8a ed.)Mignola, Mike, et al. Hellboy. First edition. Dark Horse Books, 2017.
Precaución: Estas citas no son 100% exactas.