APA引文

Yang, L., & Tu, L. (2020). Implications of gastrointestinal manifestations of COVID-19. Lancet Gastroenterol Hepatol.

Citação norma Chicago

Yang, Lijing, and Lei Tu. "Implications of Gastrointestinal Manifestations of COVID-19." Lancet Gastroenterol Hepatol 2020.

MLA引文

Yang, Lijing, and Lei Tu. "Implications of Gastrointestinal Manifestations of COVID-19." Lancet Gastroenterol Hepatol 2020.

警告：這些引文格式不一定是100％准確.