Simmons, R., & Morrow, C. (2015). The happy vegan: A guide to living a long, healthy, and successful life. Avery an imprint of Penguin Random House.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Simmons, Russell, و Chris Morrow. The Happy Vegan: A Guide to Living a Long, Healthy, and Successful Life. New York: Avery an imprint of Penguin Random House, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Simmons, Russell, و Chris Morrow. The Happy Vegan: A Guide to Living a Long, Healthy, and Successful Life. Avery an imprint of Penguin Random House, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.