Hülür, G., Ram, N., & Gerstorf, D. (2015). Historical Improvements in Well-Being Do Not Hold in Late Life: Birth- and Death-Year Cohorts in the US and Germany. Dev Psychol.
Citação norma ChicagoHülür, Gizem, Nilam Ram, and Denis Gerstorf. "Historical Improvements in Well-Being Do Not Hold in Late Life: Birth- and Death-Year Cohorts in the US and Germany." Dev Psychol 2015.
MLA引文Hülür, Gizem, Nilam Ram, and Denis Gerstorf. "Historical Improvements in Well-Being Do Not Hold in Late Life: Birth- and Death-Year Cohorts in the US and Germany." Dev Psychol 2015.
警告：這些引文格式不一定是100％准確.