APA (7th ed.) Citation

O, W., Hong, H., Yi, Ŭ., & Pak, C. (2018). Wŏlgok chip. Hakchawŏn.

Chicago Style (17th ed.) Citation

O, Won, Hak-hŭi Hong, Ŭn-yŏng Yi, and Chae-gŭm Pak. Wŏlgok Chip. Sŏul: Hakchawŏn, 2018.

MLA (9th ed.) Citation

O, Won, et al. Wŏlgok Chip. Hakchawŏn, 2018.