Cita APA (7a ed.)
Apt, W., & Vaupel, J. W. Germany’s New Security Demographics: Military Recruitment in the Era of Population Aging. Springer.
Cita estilo Chicago (17a ed.)
Apt, Wenke, y James W. Vaupel. Germany’s New Security Demographics: Military Recruitment in the Era of Population Aging. Dordrecht, Holanda: Springer.
Cita MLA (9a ed.)
Apt, Wenke, y James W. Vaupel. Germany’s New Security Demographics: Military Recruitment in the Era of Population Aging. Springer.
Precaución: Estas citas no son 100% exactas.