APA (7th ed.) Citation

Bortolu, M., Polat, E., & Radacz, M. (2016). Xamarin 4 By Example: Build Impressive Mobile Applications with Xamarin Studio 6.

Chicago Style (17th ed.) Citation

Bortolu, Matteo, Engin Polat, and Mark Radacz. Xamarin 4 By Example: Build Impressive Mobile Applications with Xamarin Studio 6. 2016.

MLA (9th ed.) Citation

Bortolu, Matteo, et al. Xamarin 4 By Example: Build Impressive Mobile Applications with Xamarin Studio 6. 2016.