Berg, H. (1981). Wilhelm Ostwald, erkenntnisse uber die biosphare. Akademie-Verlag.
Chicago Style (17th ed.) CitationBerg, Hermann. Wilhelm Ostwald, Erkenntnisse Uber Die Biosphare. Berlin: Akademie-Verlag, 1981.
MLA (8th ed.) CitationBerg, Hermann. Wilhelm Ostwald, Erkenntnisse Uber Die Biosphare. Akademie-Verlag, 1981.
Warning: These citations may not always be 100% accurate.