APA (7th ed.) Citation

De Vita, C. J. (1989). America in the 21st century: A demographic overview. Population Reference Bureau.

Chicago Style (17th ed.) Citation

De Vita, Carol J. America in the 21st Century: A Demographic Overview. Washington, DC: Population Reference Bureau, 1989.

MLA (9th ed.) Citation

De Vita, Carol J. America in the 21st Century: A Demographic Overview. Population Reference Bureau, 1989.