APA Citation

Qi, X., & Koruth, S. Digestive system. London, England.

Chicago Style Citation

Qi, Xingshun,, and Sam Koruth. Digestive System. London, England.

MLA Citation

Qi, Xingshun,, and Sam Koruth. Digestive System. London, England.

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