(1991). Resources, enviroment, and population: Present knowledge, future options. The Population Council.
Chicago Style (17th ed.) CitationResources, Enviroment, and Population: Present Knowledge, Future Options. Nueva York: The Population Council, 1991.
MLA (9th ed.) CitationResources, Enviroment, and Population: Present Knowledge, Future Options. The Population Council, 1991.
Warning: These citations may not always be 100% accurate.