Citazione Stile APA (7a Edizione)

Kehnel, A., & Ipsen, G. (2024). The green ages: Medieval innovations in sustainability. Brandeis University Press.

Citazione stile Chigago Style (17a edizione)

Kehnel, Annette, e Gesche Ipsen. The Green Ages: Medieval Innovations in Sustainability. Waltham, Massachusetts: Brandeis University Press, 2024.

Citatione MLA (9a ed.)

Kehnel, Annette, e Gesche Ipsen. The Green Ages: Medieval Innovations in Sustainability. Brandeis University Press, 2024.