APA引文

Wrigley, F. (1948). Toxic Effects of Nitroso-Methyl Urethane.

Citação norma Chicago

Wrigley, F. Toxic Effects of Nitroso-Methyl Urethane. 1948.

MLA引文

Wrigley, F. Toxic Effects of Nitroso-Methyl Urethane. 1948.

警告：這些引文格式不一定是100％准確.