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APA Zitierstil

(2013). Geological Surveys Database: Search for publications from the State Geological Surveys and for factsheets from the U.S. Geological Survey. Alexandria: American Geosciences Institute.

Chicago Zitierstil

Geological Surveys Database: Search for Publications From the State Geological Surveys and for Factsheets From the U.S. Geological Survey. Alexandria: American Geosciences Institute, 2013.

MLA Zitierstil

Geological Surveys Database: Search for Publications From the State Geological Surveys and for Factsheets From the U.S. Geological Survey. Alexandria: American Geosciences Institute, 2013.