EHRLICH, P. R. (1971). Man and the Ecosphere. W. H. Freeman and Company.
Chicago Style (17th ed.) CitationEHRLICH, Paul R. Man and the Ecosphere. W. H. Freeman and Company, 1971.
MLA (8th ed.) CitationEHRLICH, Paul R. Man and the Ecosphere. W. H. Freeman and Company, 1971.
Warning: These citations may not always be 100% accurate.