APA (7th ed.) Citation

Bulmahn, J., Gygax, G., & Arneson, D. (2011). Pathfinder. Paizo Publishing.

Chicago Style (17th ed.) Citation

Bulmahn, Jason, Gary Gygax, and Dave Arneson. Pathfinder. Redmond, Wash.: Paizo Publishing, 2011.

MLA (9th ed.) Citation

Bulmahn, Jason, et al. Pathfinder. Paizo Publishing, 2011.