Gaya APA

Vega, F. et al (2009). Hysteresis in the individual and competitive sorption of cadmium, copper, and lead by various soil horizons . London: Elsevier Inc..

Gaya MLA

Vega, F.A.. et al. "Hysteresis in the individual and competitive sorption of cadmium, copper, and lead by various soil horizons". London: Elsevier Inc., 2009. e-journal.