APA: 
Audra, Philippe (2007). Cave and karst evolution in the Alps and their relation to paleoclimate and paleotopography. 
Acta carsologica, letnik 36, številka 1, str. 53-67. 
URN:NBN:SI:doc-NHJSYLVD from http://www.dlib.si
 
                           MLA: 
Audra, Philippe. "Cave and karst evolution in the Alps and their relation to paleoclimate and paleotopography." 
Acta carsologica letnik 36. številka 1 (2007) str. 53-67.
<http://www.dlib.si/?URN=URN:NBN:SI:doc-NHJSYLVD>