APA (7th ed.) Citation
Li, K., & ET AL. (2014). Concordance of physical activity trajectories among middle-aged and older married couples: Impact of diseases and functional difficulties.
Chicago Style (17th ed.) Citation
Li, K.K, and ET AL. Concordance of Physical Activity Trajectories Among Middle-aged and Older Married Couples: Impact of Diseases and Functional Difficulties. 2014.
MLA (9th ed.) Citation
Li, K.K, and ET AL. Concordance of Physical Activity Trajectories Among Middle-aged and Older Married Couples: Impact of Diseases and Functional Difficulties. 2014.
Warning: These citations may not always be 100% accurate.