Cita APA (7th ed.)
Gill, R. (2015). Chemical fundamentals of geology and environmental geoscience (Third edition.). John Wiley & Sons, Inc..
Cita Chicago (17th ed.)
Gill, Robin. Chemical Fundamentals of Geology and Environmental Geoscience. Third edition. Chichester, West Sussex: John Wiley & Sons, Inc., 2015.
Cita MLA (9th ed.)
Gill, Robin. Chemical Fundamentals of Geology and Environmental Geoscience. Third edition. John Wiley & Sons, Inc., 2015.
Atenció: Aquestes cites poden no estar 100% correctes.