APA (7th ed.) Citation

Serow , W. J., Sly, D. G., & Wrigley, J. M. (1990). Population aging in the United States. Greenwood Press.

Chicago Style (17th ed.) Citation

Serow , William J., David G. Sly, and J. Michael Wrigley. Population Aging in the United States. New York: Greenwood Press, 1990.

MLA (9th ed.) Citation

Serow , William J., et al. Population Aging in the United States. Greenwood Press, 1990.