Cita APA (7a ed.)
M, R., & A, L. (2007). Trends in socio-economic differences in tobacco smoking among German schoolchildren, 1994-2002. European Journal of Public Health, 17(6), 565-572.
Cita Chicago Style (17a ed.)
M, Richter, y Leppin A. "Trends in Socio-economic Differences in Tobacco Smoking Among German Schoolchildren, 1994-2002." European Journal of Public Health 17, no. 6 (2007): 565-572.
Cita MLA (9a ed.)
M, Richter, y Leppin A. "Trends in Socio-economic Differences in Tobacco Smoking Among German Schoolchildren, 1994-2002." European Journal of Public Health, vol. 17, no. 6, 2007, pp. 565-572.
Precaución: Estas citas no son 100% exactas.