Citação norma APA

Petersen, R. D. (2006). Understanding ethnic violence: Fear, hatred, and resentment in twentieth-century Eastern Europe. Cambridge University Press.

Citação norma Chicago

Petersen, Roger D. Understanding Ethnic Violence: Fear, Hatred, and Resentment in Twentieth-century Eastern Europe. Cambridge: Cambridge University Press, 2006.

Citação norma MLA

Petersen, Roger D. Understanding Ethnic Violence: Fear, Hatred, and Resentment in Twentieth-century Eastern Europe. Cambridge University Press, 2006.

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