APA (7th ed.) Citation

Mearls, M., & Crawford, J. (2014). Dungeon master's guide. Wizards of the Coast.

Chicago Style (17th ed.) Citation

Mearls, Mike, and Jeremy Crawford. Dungeon Master's Guide. Renton, WA: Wizards of the Coast, 2014.

MLA (8th ed.) Citation

Mearls, Mike, and Jeremy Crawford. Dungeon Master's Guide. Wizards of the Coast, 2014.

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