APA (7th ed.) Citation

U, H., Cho, W., & Pak, S. (2007). Swipke paeunŭn Hanʼgugŏ =: Easy learning Korean. LanguagePLUS.

Chicago Style (17th ed.) Citation

U, Hyŏng-sik, Wi-su Cho, and Sŏng-gyŏng Pak. Swipke Paeunŭn Hanʼgugŏ =: Easy Learning Korean. Sŏul: LanguagePLUS, 2007.

MLA (8th ed.) Citation

U, Hyŏng-sik, et al. Swipke Paeunŭn Hanʼgugŏ =: Easy Learning Korean. LanguagePLUS, 2007.