Citazione Stile APA (7a Edizione)
Humic Substances Seminar Northeastern University, Royal Society of Chemistry (Great Britain), ebrary, Inc, Ghabbour, E. A., & Davies, G. (2001). Humic substances: Structures, models and functions. Royal Society of Chemistry.
Citazione stile Chigago Style (17a edizione)
Humic Substances Seminar Northeastern University, Royal Society of Chemistry (Great Britain), Inc ebrary, Elham A. Ghabbour, e Geoffrey Davies. Humic Substances: Structures, Models and Functions. Cambridge: Royal Society of Chemistry, 2001.
Citatione MLA (9a ed.)
Humic Substances Seminar Northeastern University, et al. Humic Substances: Structures, Models and Functions. Royal Society of Chemistry, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.