APA (7th ed.) Citation

Fernández-Ballesteros, R., & Wahl, H. (2009). Berlin declaration on the quality of life for older adults: Closing the gap between scientific knowledge and intervention. European journal of ageing, 6(1), . https://doi.org/10.1007/s10433-009-0107-y

Chicago Style (17th ed.) Citation

Fernández-Ballesteros, Rocío, and Hans-Werner Wahl. "Berlin Declaration on the Quality of Life for Older Adults: Closing the Gap Between Scientific Knowledge and Intervention." European Journal of Ageing 6, no. 1 (2009). https://doi.org/10.1007/s10433-009-0107-y.

MLA (9th ed.) Citation

Fernández-Ballesteros, Rocío, and Hans-Werner Wahl. "Berlin Declaration on the Quality of Life for Older Adults: Closing the Gap Between Scientific Knowledge and Intervention." European Journal of Ageing, vol. 6, no. 1, 2009, https://doi.org/10.1007/s10433-009-0107-y.