Kehnel, A., & Ipsen, G. (2024). The green ages: Medieval innovations in sustainability. Brandeis University Press.
芝加哥风格引文Kehnel, Annette, 与 Gesche Ipsen. The Green Ages: Medieval Innovations in Sustainability. Waltham, Massachusetts: Brandeis University Press, 2024.
MLA引文Kehnel, Annette, 与 Gesche Ipsen. The Green Ages: Medieval Innovations in Sustainability. Brandeis University Press, 2024.
警告：这些引文格式不一定是100％准确.