APA (7th ed.) Citation

O'Ryan, R., & Kraft, J. (2015). Galaxy Zack: Operation twin trouble. Little Simon.

Chicago Style (17th ed.) Citation

O'Ryan, Ray, and Jason Kraft. Galaxy Zack: Operation Twin Trouble. New York: Little Simon, 2015.

MLA (9th ed.) Citation

O'Ryan, Ray, and Jason Kraft. Galaxy Zack: Operation Twin Trouble. Little Simon, 2015.

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