Citação norma APA
American Water Works Association, American National Standards Institute, & ebrary, Inc. (2012). Granular activated carbon. American Water Works Association.
Citação norma Chicago
American Water Works Association, American National Standards Institute, and Inc ebrary. Granular Activated Carbon. [New York?]: American Water Works Association, 2012.
Citação norma MLA
American Water Works Association, et al. Granular Activated Carbon. American Water Works Association, 2012.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.