MLA

Stargardt, Nicholas. Witnesses of War : Children's Lives Under the Nazis. 1st American ed. New York: Alfred A. Knopf, 2006.

APA

Stargardt, N. (2006). Witnesses of war : children's lives under the Nazis. 1st American ed. New York: Alfred A. Knopf.

Chicago

Stargardt, Nicholas, Witnesses of War: Children's Lives Under the Nazis. 1st American ed. New York: Alfred A. Knopf, 2006.