APA (7th ed.) Citation

Yi, P. (1947). Koryŏ sidae ŭi yŏn'gu. Ŭryu Munhwasa.

Chicago Style (17th ed.) Citation

Yi, Pyǒng-do. Koryŏ Sidae ŭi Yŏn'gu. [Sŏul]: Ŭryu Munhwasa, 1947.

MLA (9th ed.) Citation

Yi, Pyǒng-do. Koryŏ Sidae ŭi Yŏn'gu. Ŭryu Munhwasa, 1947.

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