APA

Dasmann R. F., Milton J. P., Freeman P. H., International Union for Conservation of Nature and Natural Resources & Conservation Foundation. (1973). Ecological principles for economic development. London: published for the International Union for Conservation of Nature and Natural Resources (IUCN), Morges, Switzerland and the Conservation Foundation, Washington, D.C., USA; [por] John Wiley & Sons.

Chicago

Dasmann Raymond Fredric, Milton John P, Freeman Peter H, International Union for Conservation of Nature and Natural Resources and Conservation Foundation. 1973. Ecological principles for economic development. London: published for the International Union for Conservation of Nature and Natural Resources (IUCN), Morges, Switzerland and the Conservation Foundation, Washington, D.C., USA; [por] John Wiley & Sons.

Harvard

Dasmann R. F., Milton J. P., Freeman P. H., International Union for Conservation of Nature and Natural Resources and Conservation Foundation. (1973). Ecological principles for economic development. London: published for the International Union for Conservation of Nature and Natural Resources (IUCN), Morges, Switzerland and the Conservation Foundation, Washington, D.C., USA; [por] John Wiley & Sons.

MLA

Dasmann Raymond Fredric, Milton John P, Freeman Peter H, International Union for Conservation of Nature and Natural Resources and Conservation Foundation. Ecological principles for economic development. London: published for the International Union for Conservation of Nature and Natural Resources (IUCN), Morges, Switzerland and the Conservation Foundation, Washington, D.C., USA; [por] John Wiley & Sons. 1973.