Wohlleben, P., Flannery, T. F., Simard, S., & Billinghurst, J. (2017). The hidden life of trees: What they feel, how they communicate : discoveries from a secret world. William Collins, an imprint of HarperCollins Publishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wohlleben, Peter, Tim F. Flannery, S. Simard, و Jane Billinghurst. The Hidden Life of Trees: What They Feel, How They Communicate : Discoveries from a Secret World. London: William Collins, an imprint of HarperCollins Publishers, 2017.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Wohlleben, Peter, et al. The Hidden Life of Trees: What They Feel, How They Communicate : Discoveries from a Secret World. William Collins, an imprint of HarperCollins Publishers, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.