APA (7th ed.) Citation

Zhelezov, G., & Koulov, B. (2016). Sustainable mountain regions: Challenges and perspectives in Southeastern Europe (Softcover reprint of the hardcover 1st edition 2016.). Springer.

Chicago Style (17th ed.) Citation

Zhelezov, Georgi, and Boian Koulov. Sustainable Mountain Regions: Challenges and Perspectives in Southeastern Europe. Softcover reprint of the hardcover 1st edition 2016. Cham: Springer, 2016.

MLA (9th ed.) Citation

Zhelezov, Georgi, and Boian Koulov. Sustainable Mountain Regions: Challenges and Perspectives in Southeastern Europe. Softcover reprint of the hardcover 1st edition 2016. Springer, 2016.