APA (7th ed.) Citation

Petzold, C. Multi-touch manipulation events in WPF. MSDN magazine.

Chicago Style (17th ed.) Citation

Petzold, Charles. "Multi-touch Manipulation Events in WPF." MSDN Magazine .

MLA (9th ed.) Citation

Petzold, Charles. "Multi-touch Manipulation Events in WPF." MSDN Magazine, .

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