APA
Dasmann R. F., Milton J. P. & Freeman P. H. (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; [by] John Wiley & Sons.
Chicago
Dasmann Raymond Fredric, Milton John P and Freeman Peter H. 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; [by] John Wiley & Sons.
Harvard
Dasmann R. F., Milton J. P. and Freeman P. H. (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; [by] John Wiley & Sons.
MLA
Dasmann Raymond Fredric, Milton John P and Freeman Peter H. 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; [by] John Wiley & Sons. 1973.