APA (7th ed.) Citation

Demeny, P. G., & Mcnicoll, G. (2003). Encyclopedia of population. Macmillan Reference USA.

Chicago Style (17th ed.) Citation

Demeny, Paul George, and Geoffrey Mcnicoll. Encyclopedia of Population. New York: Macmillan Reference USA, 2003.

MLA (8th ed.) Citation

Demeny, Paul George, and Geoffrey Mcnicoll. Encyclopedia of Population. Macmillan Reference USA, 2003.