APA (7th ed.) Citation

Ko Un, Kim, Y., & Gach,Gary. (2008). Songs for tomorrow: A collection of poems 1960-2002. Green Integer.

Chicago Style (17th ed.) Citation

Ko Un, Young-moo Kim, and Gach,Gary. Songs for Tomorrow: A Collection of Poems 1960-2002. København & Los Angeles: Green Integer, 2008.

MLA (9th ed.) Citation

Ko Un, et al. Songs for Tomorrow: A Collection of Poems 1960-2002. Green Integer, 2008.