APA引文

Cunningham, M. W. (2012). Streptococcus and rheumatic fever.

Citação norma Chicago

Cunningham, Madeleine W. Streptococcus and Rheumatic Fever. 2012.

MLA引文

Cunningham, Madeleine W. Streptococcus and Rheumatic Fever. 2012.

警告：這些引文格式不一定是100％准確.