APA引文

Gardner, A. (1939). Relapses after Sulphonamide Treatment of Gonorrhoea.

Citação norma Chicago

Gardner, A. Relapses After Sulphonamide Treatment of Gonorrhoea. 1939.

MLA引文

Gardner, A. Relapses After Sulphonamide Treatment of Gonorrhoea. 1939.

警告：這些引文格式不一定是100％准確.