Singer, S. F. 1. (1971). Is there an optimun level of population? New York, New York: McGraw-Hill.
Chicago Style CitationSinger, Siegfried Fred 1924-. Is There an Optimun Level of Population? New York, New York: McGraw-Hill, 1971.
MLA CitationSinger, Siegfried Fred 1924-. Is There an Optimun Level of Population? New York, New York: McGraw-Hill, 1971.
Warning: These citations may not always be 100% accurate.