APA引文

Swann, P. F. (1977). Carcinogenic risk from nitrite, nitrate and N-nitrosamines in food.

Citação norma Chicago

Swann, P F. Carcinogenic Risk From Nitrite, Nitrate and N-nitrosamines in Food. 1977.

MLA引文

Swann, P F. Carcinogenic Risk From Nitrite, Nitrate and N-nitrosamines in Food. 1977.

警告：這些引文格式不一定是100％准確.