EHRLICH, P. R. (1970). Population resources environment: Issues in human ecology. W. H. Freeman and Company.
Chicago Style (17th ed.) CitationEHRLICH, Paul R. Population Resources Environment: Issues in Human Ecology. W. H. Freeman and Company, 1970.
MLA (8th ed.) CitationEHRLICH, Paul R. Population Resources Environment: Issues in Human Ecology. W. H. Freeman and Company, 1970.
Warning: These citations may not always be 100% accurate.