APA (7th ed.) Citation

O, I. (1999). Yŏksa ŭi chudoja. P'yŏngyang Ch'ulp'ansa.

Chicago Style (17th ed.) Citation

O, Ik-che. Yŏksa ŭi Chudoja. P'yŏngyang: P'yŏngyang Ch'ulp'ansa, 1999.

MLA (9th ed.) Citation

O, Ik-che. Yŏksa ŭi Chudoja. P'yŏngyang Ch'ulp'ansa, 1999.

Warning: These citations may not always be 100% accurate.