APA (7th ed.) Citation

American Academy of Political and Social Science & Preston, S. H. (1990). World population: Approaching the year 2000. Sage.

Chicago Style (17th ed.) Citation

American Academy of Political and Social Science and Samuel H. Preston. World Population: Approaching the Year 2000. Newbury Park, California: Sage, 1990.

MLA (9th ed.) Citation

American Academy of Political and Social Science and Samuel H. Preston. World Population: Approaching the Year 2000. Sage, 1990.

Warning: These citations may not always be 100% accurate.