SpringerLink (Online service), Knez, M., Petrič, M., Slabe, T., & Šebela, S. (2015). The Beka-Ocizla Cave System: Karstological Railway Planning in Slovenia. Springer International Publishing : Imprint: Springer.
Chicago Style (17th ed.) CitationSpringerLink (Online service), Martin Knez, Metka Petrič, Tadej Slabe, and Stanka Šebela. The Beka-Ocizla Cave System: Karstological Railway Planning in Slovenia. Cham: Springer International Publishing : Imprint: Springer, 2015.
MLA (8th ed.) CitationSpringerLink (Online service), et al. The Beka-Ocizla Cave System: Karstological Railway Planning in Slovenia. Springer International Publishing : Imprint: Springer, 2015.
Warning: These citations may not always be 100% accurate.