Cita APA (7a ed.)
Strath, S., Isaacs, R., & Greenwald, M. J. (2007). Operationalizing Environmental Indicators for Physical Activity in Older Adults. Journal of Aging & Physical Activity, 15(4), 412-425.
Cita Chicago Style (17a ed.)
Strath, Scott, Raymond Isaacs, y Michael J. Greenwald. "Operationalizing Environmental Indicators for Physical Activity in Older Adults." Journal of Aging & Physical Activity 15, no. 4 (2007): 412-425.
Cita MLA (9a ed.)
Strath, Scott, et al. "Operationalizing Environmental Indicators for Physical Activity in Older Adults." Journal of Aging & Physical Activity, vol. 15, no. 4, 2007, pp. 412-425.
Precaución: Estas citas no son 100% exactas.