American Association for the Advancement of Science & Singer, S. F. (1971). Is there an optimum level of populationn. McGraw-Hill.
Chicago Style (17th ed.) CitationAmerican Association for the Advancement of Science and S. Fred Singer. Is There an Optimum Level of Populationn. New York: McGraw-Hill, 1971.
MLA (9th ed.) CitationAmerican Association for the Advancement of Science and S. Fred Singer. Is There an Optimum Level of Populationn. McGraw-Hill, 1971.
Warning: These citations may not always be 100% accurate.