APA (7th ed.) Citation

Kim, S., Yi, S., Cho, C., & Sin, C. (2015). A hard day. Kino Lorber.

Chicago Style (17th ed.) Citation

Kim, Sŏng-hun, Sŏn-gyun Yi, Chin-ung Cho, and Chŏng-gŭn Sin. A Hard Day. New York, NY: Kino Lorber, 2015.

MLA (8th ed.) Citation

Kim, Sŏng-hun, et al. A Hard Day. Kino Lorber, 2015.

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