Nielsen, S. N., & Briann D. Fath and other. (2020). A New Ecology system perspective (second edition.). Elsevier.
Style de citation Chicago (17e éd.)Nielsen, Soren Nors, et Briann D. Fath and other. A New Ecology System Perspective. second edition. united Kingdom: Elsevier, 2020.
Style de citation MLA (9e éd.)Nielsen, Soren Nors, et Briann D. Fath and other. A New Ecology System Perspective. second edition. Elsevier, 2020.