MLA

Poórová, Zuzana, and Zuzana Vranayová. Green Roofs and Water Retention In Košice, Slovakia. Springer International Publishing, 2020.

APA

Poórová, Z., & Vranayová, Z. (2020). Green Roofs and Water Retention in Košice, Slovakia. Springer International Publishing.

Chicago

Poórová, Zuzana, and Zuzana Vranayová. Green Roofs and Water Retention In Košice, Slovakia. : Springer International Publishing, 2020.