APA (7th ed.) Citation

Ray, J. A. (2015). Sams teach yourself iOS 8 application in 24 hours (6th edition.). Sams.

Chicago Style (17th ed.) Citation

Ray, John Author. Sams Teach Yourself IOS 8 Application in 24 Hours. 6th edition. [Place of publication not identified]: Sams, 2015.

MLA (9th ed.) Citation

Ray, John Author. Sams Teach Yourself IOS 8 Application in 24 Hours. 6th edition. Sams, 2015.

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