APA (7th ed.) Citation

Yi, K., Kim, S., & Soh, J. (2002). East Sea in world maps. Society for East Sea.

Chicago Style (17th ed.) Citation

Yi, Ki-sôk, Sin Kim, and Jung-chul Soh. East Sea in World Maps. Seoul: Society for East Sea, 2002.

MLA (9th ed.) Citation

Yi, Ki-sôk, et al. East Sea in World Maps. Society for East Sea, 2002.