APA način citiranja

Song, S., & Kim, S. (2011). Optimal Treatment of Symptomatic Hemorrhoids. The Korean Society of Coloproctology.

Čikaški stil citiranja

Song, Seok-Gyu, i Soung-Ho Kim. Optimal Treatment of Symptomatic Hemorrhoids. The Korean Society of Coloproctology, 2011.

MLA način citiranja

Song, Seok-Gyu, i Soung-Ho Kim. Optimal Treatment of Symptomatic Hemorrhoids. The Korean Society of Coloproctology, 2011.