American Public Health Association, American Water Works Association, & Water Environment Federation. (2017). Standard methods for the examination of water and wastewater (23rd edition.). American Public Health Association.
Citação do estilo Chicago (17ª ed.)American Public Health Association, American Water Works Association, e Water Environment Federation. Standard Methods for the Examination of Water and Wastewater. 23rd edition. Washington, D.C: American Public Health Association, 2017.
Citação MLA (9ª ed.)American Public Health Association, et al. Standard Methods for the Examination of Water and Wastewater. 23rd edition. American Public Health Association, 2017.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.