Cavalier, D., Hoffman, C., & Cooper, C. B. (2020). The field guide to citizen science: How you can contribute to scientific research and make a difference. Timber Press Inc..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cavalier, Darlene, Catherine Hoffman, و Caren B. Cooper. The Field Guide to Citizen Science: How You Can Contribute to Scientific Research and Make a Difference. Portland, Oregon: Timber Press Inc., 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Cavalier, Darlene, et al. The Field Guide to Citizen Science: How You Can Contribute to Scientific Research and Make a Difference. Timber Press Inc., 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.