Richtel, M. (2019). An elegant defense: The extraordinary new science of the immune system : a tale in four lives (First edition.). William Morrow, an imprint of HarperCollinsPublishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Richtel, Matt. An Elegant Defense: The Extraordinary New Science of the Immune System : A Tale in Four Lives. First edition. New York, NY: William Morrow, an imprint of HarperCollinsPublishers, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Richtel, Matt. An Elegant Defense: The Extraordinary New Science of the Immune System : A Tale in Four Lives. First edition. William Morrow, an imprint of HarperCollinsPublishers, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.