Lewis, C. (2014). Irresistible Apps: Motivational Design Patterns for Apps, Games, and Web-based Communities. Apress : Imprint: Apress.
Chicago Style (17th ed.) CitationLewis, Chris. Irresistible Apps: Motivational Design Patterns for Apps, Games, and Web-based Communities. Berkeley, CA: Apress : Imprint: Apress, 2014.
MLA (8th ed.) CitationLewis, Chris. Irresistible Apps: Motivational Design Patterns for Apps, Games, and Web-based Communities. Apress : Imprint: Apress, 2014.
Warning: These citations may not always be 100% accurate.