APA引文

Mullard, K. S. (1982). Oesophageal perforation of fibreoptic gastroscopy.

Citação norma Chicago

Mullard, Kenneth S. Oesophageal Perforation of Fibreoptic Gastroscopy. 1982.

MLA引文

Mullard, Kenneth S. Oesophageal Perforation of Fibreoptic Gastroscopy. 1982.

警告：這些引文格式不一定是100％准確.