Blum, H. (2018). In the enemy's house: The secret saga of the FBI agent and the code breaker who caught the Russian spies (First edition.). Harper, an imprint of HarperCollinsPublishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Blum, Howard. In the Enemy's House: The Secret Saga of the FBI Agent and the Code Breaker Who Caught the Russian Spies. First edition. New York, NY: Harper, an imprint of HarperCollinsPublishers, 2018.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Blum, Howard. In the Enemy's House: The Secret Saga of the FBI Agent and the Code Breaker Who Caught the Russian Spies. First edition. Harper, an imprint of HarperCollinsPublishers, 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.