Citação norma APA

Machado, R., & Campos, T. (2013). Effect of nitrogen source on soil nitrate concentration and yield, and quality of intermediate-day onions.

Citação norma Chicago

Machado, Rui, and Tiago Campos. Effect of Nitrogen Source on Soil Nitrate Concentration and Yield, and Quality of Intermediate-day Onions. 2013.

Citação norma MLA

Machado, Rui, and Tiago Campos. Effect of Nitrogen Source on Soil Nitrate Concentration and Yield, and Quality of Intermediate-day Onions. 2013.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.