Grylls, B. (2015). Extreme food: What to eat when your life depends on it (First William Morrow paperback edition.). William Morrow, an imprint of HarperCollinsPublishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Grylls, Bear. Extreme Food: What to Eat When Your Life Depends on It. First William Morrow paperback edition. New York, NY: William Morrow, an imprint of HarperCollinsPublishers, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Grylls, Bear. Extreme Food: What to Eat When Your Life Depends on It. First William Morrow paperback edition. William Morrow, an imprint of HarperCollinsPublishers, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.