Style de citation APA

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

Style de citation Chicago

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

Style de citation MLA

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