Citação norma APA

(2011). U.S. Geological Survey community for data integration: NWIS Web Services Snapshot Tool for ArcGIS / [authored by Sally Holl].

Citação norma Chicago

U.S. Geological Survey Community for Data Integration: NWIS Web Services Snapshot Tool for ArcGIS / [authored by Sally Holl]. 2011.

Citação norma MLA

U.S. Geological Survey Community for Data Integration: NWIS Web Services Snapshot Tool for ArcGIS / [authored by Sally Holl]. 2011.

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