APA引文

Gupta, U. S. (2004). Physiology of stressed crops. Enfield, NH: Science Publishers ( SP ).

Trích dẫn kiểu Chicago

Gupta, U. S. Physiology of Stressed Crops. Enfield, NH: Science Publishers ( SP ), 2004.

MLA引文

Gupta, U. S. Physiology of Stressed Crops. Enfield, NH: Science Publishers ( SP ), 2004.

警告：這些引文格式不一定是100％准確.