APA citiranje

Gaete, J., Ortúzar, C., Zitko, P., Montgomery, A., & Araya, R. (2016). Influence of school-related factors on smoking among Chilean adolescents: A cross-sectional multilevel study. BMC Pediatr.

Citação norma Chicago

Gaete, Jorge, Catalina Ortúzar, Pedro Zitko, Alan Montgomery, and Ricardo Araya. "Influence of School-related Factors On Smoking Among Chilean Adolescents: A Cross-sectional Multilevel Study." BMC Pediatr 2016.

MLA citiranje

Gaete, Jorge, et al. "Influence of School-related Factors On Smoking Among Chilean Adolescents: A Cross-sectional Multilevel Study." BMC Pediatr 2016.