APA (7th ed.) Citation

Wizards of the Coast (Firm), Mearls, M., Schubert, S., & Wyatt, J. (2008). Monster manual: Roleplaying game core rules. Wizards of the Coast.

Chicago Style (17th ed.) Citation

Wizards of the Coast (Firm), Mike Mearls, Stephen Schubert, and James Wyatt. Monster Manual: Roleplaying Game Core Rules. Renton, WA: Wizards of the Coast, 2008.

MLA (8th ed.) Citation

Wizards of the Coast (Firm), et al. Monster Manual: Roleplaying Game Core Rules. Wizards of the Coast, 2008.