APA (7th ed.) Citation

Thorn, A. (2013). Learn Unity for 2D Game Development. Apress : Imprint: Apress.

Chicago Style (17th ed.) Citation

Thorn, Alan. Learn Unity for 2D Game Development. Berkeley, CA: Apress : Imprint: Apress, 2013.

MLA (8th ed.) Citation

Thorn, Alan. Learn Unity for 2D Game Development. Apress : Imprint: Apress, 2013.

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