Citazione Stile APA (7a Edizione)

Ball James W., Blaine McCleske R., & U.S. Geological Survey. A new cation-exchange method for accurate field speciation of hexavalent chromium.

Citazione stile Chigago Style (17a edizione)

Ball James W., Blaine McCleske R., e U.S. Geological Survey. A New Cation-exchange Method for Accurate Field Speciation of Hexavalent Chromium.

Citatione MLA (9a ed.)

Ball James W., et al. A New Cation-exchange Method for Accurate Field Speciation of Hexavalent Chromium.

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