Schmitt, J., & Butler, B. (2012). Creating a Geo-Referenced Bibliography with Google Earth and Geocommons: The Coos Bay Bibliography.
Citazione stile Chigago Style (17a edizione)Schmitt, Jenni, e Barb Butler. Creating a Geo-Referenced Bibliography with Google Earth and Geocommons: The Coos Bay Bibliography. 2012.
Citatione MLA (9a ed.)Schmitt, Jenni, e Barb Butler. Creating a Geo-Referenced Bibliography with Google Earth and Geocommons: The Coos Bay Bibliography. 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.