Cita APA (7th ed.)
Sjögren, K., & Stjernberg, L. (2011). A gender perspective on factors that influence outdoor recreational physical activity among the elderl. https://doi.org/10.1186/1471-2318-10-34
Cita Chicago (17th ed.)
Sjögren, K., i L. Stjernberg. A Gender Perspective on Factors That Influence Outdoor Recreational Physical Activity Among the Elderl. 2011. https://doi.org/10.1186/1471-2318-10-34.
Cita MLA (9th ed.)
Sjögren, K., i L. Stjernberg. A Gender Perspective on Factors That Influence Outdoor Recreational Physical Activity Among the Elderl. 2011. https://doi.org/10.1186/1471-2318-10-34.
Atenció: Aquestes cites poden no estar 100% correctes.