APA (7th ed.) Citation

Park, Y. H., Park, Y. H., & Gerrard, J. (2009). Tae kwon do: The ultimate reference to the world's most popular martial art (3rd ed.). Facts On File.

Chicago Style (17th ed.) Citation

Park, Yeon Hee, Yeon Hwan Park, and Jon Gerrard. Tae Kwon Do: The Ultimate Reference to the World's Most Popular Martial Art. 3rd ed. New York: Facts On File, 2009.

MLA (9th ed.) Citation

Park, Yeon Hee, et al. Tae Kwon Do: The Ultimate Reference to the World's Most Popular Martial Art. 3rd ed. Facts On File, 2009.