Cita APA (7a ed.)
O, S., J, T., C, R., JF, S., J, V., & B, W. (2007). Trends in vigorous physical activity and TV watching of adolescents from 1986 to 2002 in seven European countries. European Journal of Public Health, 17(3), 242-249.
Cita Chicago Style (17a ed.)
O, Samdal, Tynjälä J, Roberts C, Sallis JF, Villberg J, y Wold B. "Trends in Vigorous Physical Activity and TV Watching of Adolescents from 1986 to 2002 in Seven European Countries." European Journal of Public Health 17, no. 3 (2007): 242-249.
Cita MLA (9a ed.)
O, Samdal, et al. "Trends in Vigorous Physical Activity and TV Watching of Adolescents from 1986 to 2002 in Seven European Countries." European Journal of Public Health, vol. 17, no. 3, 2007, pp. 242-249.
Precaución: Estas citas no son 100% exactas.