APA način citiranja

Hernández Soto, O., & Ramírez-Marrero, F. A. (2018). Analysis of physical activity and fitness among older people participants in centers for the elderly in Puerto Rico.

Čikaški stil citiranja

Hernández Soto, Osvaldo, i Farah A. Ramírez-Marrero. Analysis of Physical Activity and Fitness Among Older People Participants in Centers for the Elderly in Puerto Rico. 2018.

MLA način citiranja

Hernández Soto, Osvaldo, i Farah A. Ramírez-Marrero. Analysis of Physical Activity and Fitness Among Older People Participants in Centers for the Elderly in Puerto Rico. 2018.