APA stil citiranja

Herak, M., & Stringfield, V. (1972). Karst Important Karst Regions of the Northen Hemisphere: Karst Important Karst Regions of the Northen Hemisphere. Amsterdam: Elsevier Publishing Company.

Chicago stil citiranja

Herak, Miroslav, and V.T Stringfield. Karst Important Karst Regions of the Northen Hemisphere: Karst Important Karst Regions of the Northen Hemisphere. Amsterdam: Elsevier Publishing Company, 1972.

MLA stil citiranja

Herak, Miroslav, and V.T Stringfield. Karst Important Karst Regions of the Northen Hemisphere: Karst Important Karst Regions of the Northen Hemisphere. Amsterdam: Elsevier Publishing Company, 1972.