Dasmann, R. F. (1972). Planet in Peril: Man and the biosphere today. Penguin Books - Unesco.
Chicago Style (17th ed.) CitationDasmann, Raymond Fredric. Planet in Peril: Man and the Biosphere Today. París: Penguin Books - Unesco, 1972.
MLA (9th ed.) CitationDasmann, Raymond Fredric. Planet in Peril: Man and the Biosphere Today. Penguin Books - Unesco, 1972.