Land, K. C., & Lamb, V. L. (2010). Demography of Aging. In H. K. Heggenhougen & S. R. Quah (Eds.), Epidemiology and Demography in Public Health (pp. 409–414). Elsevier.

Land, Kenneth C., and Vicki L. Lamb. “Demography of Aging.” In Epidemiology and Demography in Public Health, edited by H Krisitan Heggenhougen and Stella R. Quah, 409–14. Elsevier, 2010.

Land KC, Lamb VL. Demography of Aging. In: Heggenhougen HK, Quah SR, editors. Epidemiology and Demography in Public Health. Elsevier; 2010. p. 409–14.

Land, Kenneth C., and Vicki L. Lamb. “Demography of Aging.” Epidemiology and Demography in Public Health, edited by H Krisitan Heggenhougen and Stella R. Quah, Elsevier, 2010, pp. 409–14.

Land KC, Lamb VL. Demography of Aging. In: Heggenhougen HK, Quah SR, editors. Epidemiology and Demography in Public Health. Elsevier; 2010. p. 409–414.