APA (7th ed.) Citation

Clark, O. (2014). Games as a service: How Free2Play design can make better games (1st edition.). Focal Press.

Chicago Style (17th ed.) Citation

Clark, Oscar. Games as a Service: How Free2Play Design Can Make Better Games. 1st edition. Burlington, Mass.: Focal Press, 2014.

MLA (9th ed.) Citation

Clark, Oscar. Games as a Service: How Free2Play Design Can Make Better Games. 1st edition. Focal Press, 2014.

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