APA引文

Moorhouse, R. A. (1975). Letter: Ulceration of small intestine and slow-release potassium tablets.

Citação norma Chicago

Moorhouse, R A. Letter: Ulceration of Small Intestine and Slow-release Potassium Tablets. 1975.

MLA引文

Moorhouse, R A. Letter: Ulceration of Small Intestine and Slow-release Potassium Tablets. 1975.

警告：這些引文格式不一定是100％准確.