APA (7th ed.) Zitazioa
Atchley, R. C. (2009). Spirituality and aging. Johns Hopkins University Press.
Chicago Style (17th ed.) Zitazioa
Atchley, Robert C. Spirituality and Aging. Baltimore: Johns Hopkins University Press, 2009.
MLA (9th ed.) Zitazioa
Atchley, Robert C. Spirituality and Aging. Johns Hopkins University Press, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.