Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.