APA (7th ed.) Citation

Kwak & Joo. (2006). The United States and the Korean peninsula in the 21st century. Ashgate.

Chicago Style (17th ed.) Citation

Kwak and Joo. The United States and the Korean Peninsula in the 21st Century. Aldershot, England: Ashgate, 2006.

MLA (8th ed.) Citation

Kwak and Joo. The United States and the Korean Peninsula in the 21st Century. Ashgate, 2006.