APA način citiranja

Nakanishi, S., Shiraki, K., Yamamoto, K., Koyama, M., & Nakano, T. (2005). An anomaly in persistent right umbilical vein of portal vein diagnosed by ultrasonography. World J Gastroenterol.

Čikaški stil citiranja

Nakanishi, Shigeo, Katsuya Shiraki, Kouji Yamamoto, Mutsumi Koyama, i Takeshi Nakano. "An Anomaly in Persistent Right Umbilical Vein of Portal Vein Diagnosed By Ultrasonography." World J Gastroenterol 2005.

MLA način citiranja

Nakanishi, Shigeo, et al. "An Anomaly in Persistent Right Umbilical Vein of Portal Vein Diagnosed By Ultrasonography." World J Gastroenterol 2005.