APA (7th ed.) Citation

Sim, B. S. (2007). Massively Multiplayer Online Games Industry: A Review and Comparison From Middleware to Publishing.

Chicago Style (17th ed.) Citation

Sim, Boon Seong. Massively Multiplayer Online Games Industry: A Review and Comparison From Middleware to Publishing. 2007.

MLA (9th ed.) Citation

Sim, Boon Seong. Massively Multiplayer Online Games Industry: A Review and Comparison From Middleware to Publishing. 2007.

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