Citação norma APA

Ball, J. C. (1992). Air photo evidence: Auschwitz, Treblinka, Majdanek, Sobibor, Bergen Belsen, Belzec, Babi Yar, Katyn Forest ; World War II photos of alleged mass murder camps. Ball Resource Services.

Citação norma Chicago

Ball, John C. Air Photo Evidence: Auschwitz, Treblinka, Majdanek, Sobibor, Bergen Belsen, Belzec, Babi Yar, Katyn Forest ; World War II Photos of Alleged Mass Murder Camps. Delta, B.C., Canada: Ball Resource Services, 1992.

Citação norma MLA

Ball, John C. Air Photo Evidence: Auschwitz, Treblinka, Majdanek, Sobibor, Bergen Belsen, Belzec, Babi Yar, Katyn Forest ; World War II Photos of Alleged Mass Murder Camps. Ball Resource Services, 1992.

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