APA (7th ed.) Citation

Hooft, G. (2008). Playing with planets Gerard't Hooft. World Scientific Publishing Company.

Chicago Style (17th ed.) Citation

Hooft, Gerard't. Playing with Planets Gerard't Hooft. Singapore: World Scientific Publishing Company, 2008.

MLA (9th ed.) Citation

Hooft, Gerard't. Playing with Planets Gerard't Hooft. World Scientific Publishing Company, 2008.

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