MLA

Skiadas, and Charilaos Skiadas. Demography of Population Health, Aging and Health Expenditures. Springer International Publishing, 2020.

APA

Skiadas, S., & Skiadas, C. (2020). Demography of Population Health, Aging and Health Expenditures. Springer International Publishing.

Chicago

Skiadas, and Charilaos Skiadas. Demography of Population Health, Aging and Health Expenditures. : Springer International Publishing, 2020.