Style de citation APA (7e éd.)

Perrett, G. (1973). Days of Sadness Years of Triumph: The American People 1939-1945. University of Wisconsin Press.

Style de citation Chicago (17e éd.)

Perrett, Geoffrey. Days of Sadness Years of Triumph: The American People 1939-1945. Wisconsin: University of Wisconsin Press, 1973.

Style de citation MLA (9e éd.)

Perrett, Geoffrey. Days of Sadness Years of Triumph: The American People 1939-1945. University of Wisconsin Press, 1973.