Citação norma APA

Fields Keith A., Chen Abraham, Wang Lili, & U.S. Environmental Protection Agency. Arsenic removal from drinking water by coagulation/filtration and lime softening plants.

Citação norma Chicago

Fields Keith A., Chen Abraham, Wang Lili, and U.S. Environmental Protection Agency. Arsenic Removal from Drinking Water by Coagulation/filtration and Lime Softening Plants.

Citação norma MLA

Fields Keith A., et al. Arsenic Removal from Drinking Water by Coagulation/filtration and Lime Softening Plants.

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