APA: 
Kranjc, Andrej (1997). Brief account of the development of speleology in Slovenia (to 1914). 
Acta carsologica, letnik 26, številka 2, str. 99-107. 
URN:NBN:SI:doc-GRLRXMHF from http://www.dlib.si
 
                           MLA: 
Kranjc, Andrej. "Brief account of the development of speleology in Slovenia (to 1914)." 
Acta carsologica letnik 26. številka 2 (1997) str. 99-107.
<http://www.dlib.si/?URN=URN:NBN:SI:doc-GRLRXMHF>