APA (7th ed.) Citation

Yi, K., & Mun, C. y. (2011). Why? Yŏngung iyagi (1-p'an.). Yerimdang.

Chicago Style (17th ed.) Citation

Yi, Kŭn, and Cheol yeong Mun. Why? Yŏngung Iyagi. 1-p'an. Sŏul: Yerimdang, 2011.

MLA (9th ed.) Citation

Yi, Kŭn, and Cheol yeong Mun. Why? Yŏngung Iyagi. 1-p'an. Yerimdang, 2011.