Citação norma APA

Lindberg, N., Oksanen, A., Sailas, E., & Kaltiala-Heino, R. (2012). Adolescents expressing school massacre threats online: Something to be extremely worried about? BioMed Central.

Citação norma Chicago

Lindberg, Nina, Atte Oksanen, Eila Sailas, and Riittakerttu Kaltiala-Heino. Adolescents Expressing School Massacre Threats Online: Something to Be Extremely Worried About? BioMed Central, 2012.

Citação norma MLA

Lindberg, Nina, Atte Oksanen, Eila Sailas, and Riittakerttu Kaltiala-Heino. Adolescents Expressing School Massacre Threats Online: Something to Be Extremely Worried About? BioMed Central, 2012.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.