APA引文

(1909). Diseases of the Digestive Canal (Oesophagus, Stomach, Intestines).

Citação norma Chicago

Diseases of the Digestive Canal (Oesophagus, Stomach, Intestines). 1909.

MLA引文

Diseases of the Digestive Canal (Oesophagus, Stomach, Intestines). 1909.

警告：這些引文格式不一定是100％准確.