APA引文

Freyer, S. F. (1897). On the Supposed Immunity of Natives of India to Enteric Fever: Results of the Serum Test.

Citação norma Chicago

Freyer, S F. On the Supposed Immunity of Natives of India to Enteric Fever: Results of the Serum Test. 1897.

MLA引文

Freyer, S F. On the Supposed Immunity of Natives of India to Enteric Fever: Results of the Serum Test. 1897.

警告：這些引文格式不一定是100％准確.