Brown, S. B. (1972). Realm of science ( 21 Vols.): :vol.20 direction and dimensions of life : ecology,man and nature. Touchstone.
Chicago Edition CitationBrown, Stanley. B. Realm of Science ( 21 Vols.): :vol.20 Direction and Dimensions of Life : Ecology,man and Nature. USA: Touchstone, 1972.
MLA Edition CitationBrown, Stanley. B. Realm of Science ( 21 Vols.): :vol.20 Direction and Dimensions of Life : Ecology,man and Nature. Touchstone, 1972.
Warning: These citations may not always be 100% accurate.