Citazione Stile APA (7a Edizione)

Flennert, M., König, H., & Hajek, A. (2019). The association between voluntary work and health care use among older adults in Germany. BMC.

Citazione stile Chigago Style (17a edizione)

Flennert, Maike, Hans-Helmut König, e André Hajek. The Association Between Voluntary Work and Health Care Use Among Older Adults in Germany. BMC, 2019.

Citatione MLA (9a ed.)

Flennert, Maike, et al. The Association Between Voluntary Work and Health Care Use Among Older Adults in Germany. BMC, 2019.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.