APA (7th ed.) Citation
Calabrese, D. (2014). Unity 2D game development: Combine classic 2D with today's technology to build great games with unity's latest 2D tools. Packt Publishing.
Chicago Style (17th ed.) Citation
Calabrese, Dave. Unity 2D Game Development: Combine Classic 2D with Today's Technology to Build Great Games with Unity's Latest 2D Tools. Birmingham, England: Packt Publishing, 2014.
MLA (9th ed.) Citation
Calabrese, Dave. Unity 2D Game Development: Combine Classic 2D with Today's Technology to Build Great Games with Unity's Latest 2D Tools. Packt Publishing, 2014.
Warning: These citations may not always be 100% accurate.