APA (7th ed.) Citation

Icke, V. (2014). Gravity does not exist: A puzzle for the 21st century. Amsterdam University Press.

Chicago Style (17th ed.) Citation

Icke, Vincent. Gravity Does Not Exist: A Puzzle for the 21st Century. Amsterdam: Amsterdam University Press, 2014.

MLA (8th ed.) Citation

Icke, Vincent. Gravity Does Not Exist: A Puzzle for the 21st Century. Amsterdam University Press, 2014.