Cita APA

ebrary, Inc. (2001). Preparing for an aging world: The case for cross-national research. National Academy Press.

Citación estilo Chicago

ebrary, Inc. Preparing for an Aging World: The Case for Cross-national Research. Washington, D.C.: National Academy Press, 2001.

Cita MLA

ebrary, Inc. Preparing for an Aging World: The Case for Cross-national Research. National Academy Press, 2001.