American Association for the Advancement of Science. (1971). Is there an optimum level of population. McGraw-Hill.
Style de citation Chicago (17e éd.)American Association for the Advancement of Science. Is There an Optimum Level of Population. New York: McGraw-Hill, 1971.
Style de citation MLA (9e éd.)American Association for the Advancement of Science. Is There an Optimum Level of Population. McGraw-Hill, 1971.
Attention : ces citations peuvent ne pas être correctes à 100%.