Ursul,A.D. Philosophy and the Ecological Problems of Civilization: A.D. Ursul.
Chicago Style (17th ed.) CitationUrsul,A.D. Philosophy and the Ecological Problems of Civilization: A.D. Ursul.
MLA (9th ed.) CitationUrsul,A.D. Philosophy and the Ecological Problems of Civilization: A.D. Ursul.
Warning: These citations may not always be 100% accurate.