APA (7th ed.) Citation

Auckett, N. (2015). GameMaker essentials: Learn all the essential skills of GameMaker: Studio and start making your own impressive games with ease. Packt Publishing.

Chicago Style (17th ed.) Citation

Auckett, Nathan. GameMaker Essentials: Learn All the Essential Skills of GameMaker: Studio and Start Making Your Own Impressive Games with Ease. Birmingham, UK: Packt Publishing, 2015.

MLA (9th ed.) Citation

Auckett, Nathan. GameMaker Essentials: Learn All the Essential Skills of GameMaker: Studio and Start Making Your Own Impressive Games with Ease. Packt Publishing, 2015.

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