APA引文

Eggertson, L. (2007). Calgary seeks help to identify E. coli source. Canadian Medical Association.

Citação norma Chicago

Eggertson, Laura. Calgary Seeks Help to Identify E. Coli Source. Canadian Medical Association, 2007.

MLA引文

Eggertson, Laura. Calgary Seeks Help to Identify E. Coli Source. Canadian Medical Association, 2007.

警告：這些引文格式不一定是100％准確.