APA (7th ed.) Citation

(2006). Open source game development: QT games for KDE, PDAs, and Windows / Martin Heni, Andreas Beckermann.

Chicago Style (17th ed.) Citation

Open Source Game Development: QT Games for KDE, PDAs, and Windows / Martin Heni, Andreas Beckermann. 2006.

MLA (9th ed.) Citation

Open Source Game Development: QT Games for KDE, PDAs, and Windows / Martin Heni, Andreas Beckermann. 2006.

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