APA (7th ed.) Zitazioa

Erber, J. T. (2005). Aging and older adulthood (ed.). Thomson.

Chicago Style (17th ed.) Zitazioa

Erber, Joan T. Aging and Older Adulthood. ed. Belmont, California: Thomson, 2005.

MLA (9th ed.) Zitazioa

Erber, Joan T. Aging and Older Adulthood. ed. Thomson, 2005.