APA: 
Mais, Karl (1997). Friedrich Simony (1813-1896), his contributions to karst and cave science. 
Acta carsologica, letnik 26, številka 2, str. 119-137. 
URN:NBN:SI:doc-9XFO10LR from http://www.dlib.si
MLA: 
Mais, Karl. "Friedrich Simony (1813-1896), his contributions to karst and cave science." 
Acta carsologica letnik 26. številka 2 (1997) str. 119-137.
<http://www.dlib.si/?URN=URN:NBN:SI:doc-9XFO10LR>