Cita APA (7a ed.)

Wahl, H. (1982). Journal of applied gerontology. Sage.

Cita Chicago Style (17a ed.)

Wahl, Hans-Werner. Journal of Applied Gerontology. Thousand Oaks, Calif: Sage, 1982.

Cita MLA (9a ed.)

Wahl, Hans-Werner. Journal of Applied Gerontology. Sage, 1982.