Ray, J. (2015). Sams teach yourself iOS 8 application development in 24 hours. Sams.
Chicago Style (17th ed.) CitationRay, John. Sams Teach Yourself IOS 8 Application Development in 24 Hours. [Place of publication not identified]: Sams, 2015.
MLA (8th ed.) CitationRay, John. Sams Teach Yourself IOS 8 Application Development in 24 Hours. Sams, 2015.
Warning: These citations may not always be 100% accurate.