Cita APA (7a ed.)
ebrary, Inc, & Walker, A. (2005). Growing older in Europe. Open University Press.
Cita Chicago Style (17a ed.)
ebrary, Inc, y Alan Walker. Growing Older in Europe. Maidenhead: Open University Press, 2005.
Cita MLA (9a ed.)
ebrary, Inc, y Alan Walker. Growing Older in Europe. Open University Press, 2005.
Precaución: Estas citas no son 100% exactas.