APA (7th ed.) Citation

O, C., Ŏm, T., Kim, K., Ch'oe, M., & Kim, H. (2007). Pŭllu sigŏl: = Blue seagul. Ssinerain K'oria.

Chicago Style (17th ed.) Citation

O, Chung-il, T'ae-p'yŏng Ŏm, Kyŏng-u Kim, Min-su Ch'oe, and Hye-su Kim. Pŭllu Sigŏl: = Blue Seagul. [Sŏul]: Ssinerain K'oria, 2007.

MLA (9th ed.) Citation

O, Chung-il, et al. Pŭllu Sigŏl: = Blue Seagul. Ssinerain K'oria, 2007.