APA (7th ed.) Citation

Ong. (2007). China's security interests in the 21st century. Routledge.

Chicago Style (17th ed.) Citation

Ong. China's Security Interests in the 21st Century. London New York: Routledge, 2007.

MLA (8th ed.) Citation

Ong. China's Security Interests in the 21st Century. Routledge, 2007.