Gaya APA

Lauenroth, W. et al (1983). Analysis of ecological systems: state-of-the-art in ecological modelling . Amsterdam: Elsevier Science Publisher.

Gaya MLA

Lauenroth, W.K.. et al. "Analysis of ecological systems: state-of-the-art in ecological modelling". Amsterdam: Elsevier Science Publisher, 1983. Text.