Citazione Stile APA (7a Edizione)

ProQuest (Firm), Ory, M. G., & DeFriese, G. H. (1998). Self-care in later life: Research, program, and policy issues. Springer Pub..

Citazione stile Chigago Style (17a edizione)

ProQuest (Firm), Marcia G. Ory, e Gordon H. DeFriese. Self-care in Later Life: Research, Program, and Policy Issues. New York: Springer Pub., 1998.

Citatione MLA (9a ed.)

ProQuest (Firm), et al. Self-care in Later Life: Research, Program, and Policy Issues. Springer Pub., 1998.