APA引文

Gabriel, W. B. (1938). Four Cases of Double Carcinoma of the Rectum and Colon.

Citação norma Chicago

Gabriel, W. B. Four Cases of Double Carcinoma of the Rectum and Colon. 1938.

MLA引文

Gabriel, W. B. Four Cases of Double Carcinoma of the Rectum and Colon. 1938.

警告：這些引文格式不一定是100％准確.