Nielsen, S. N., & Briann D. Fath and other. (2020). A New Ecology system perspective (second edition.). Elsevier.
Citace podle Chicago (17th ed.)Nielsen, Soren Nors, a Briann D. Fath and other. A New Ecology System Perspective. second edition. united Kingdom: Elsevier, 2020.
Citace podle MLA (9th ed.)Nielsen, Soren Nors, a Briann D. Fath and other. A New Ecology System Perspective. second edition. Elsevier, 2020.