Style de citation APA

Strang, G. B. (1996). Once more unto the breach: Britain's guarantee to Poland, march 1939. Journal of contemporary history.

Style de citation Chicago

Strang, G. Bruce. "Once More Unto the Breach: Britain's Guarantee to Poland, March 1939." Journal of Contemporary History 1996.

Style de citation MLA

Strang, G. Bruce. "Once More Unto the Breach: Britain's Guarantee to Poland, March 1939." Journal of Contemporary History, 1996.