APA (7th ed.) Citation

Piekalkiewicz, J. (1974). Secret agents, spies & saboteurs: Secret missions of the Second World War. David and Charles.

Chicago Style (17th ed.) Citation

Piekalkiewicz, Janusz. Secret Agents, Spies & Saboteurs: Secret Missions of the Second World War. Newton Abbott: David and Charles, 1974.

MLA (9th ed.) Citation

Piekalkiewicz, Janusz. Secret Agents, Spies & Saboteurs: Secret Missions of the Second World War. David and Charles, 1974.

Warning: These citations may not always be 100% accurate.