APA:
Sifridus Swevus (1245-1255). Gesta sive religiosa preconia incliti ducis Leupoldi (149b–158b). URN:NBN:SI:IMG-AANM552N from http://www.dlib.si
MLA:
Sifridus Swevus. Gesta sive religiosa preconia incliti ducis Leupoldi (149b–158b). 1245-1255.
<http://www.dlib.si/?URN=URN:NBN:SI:IMG-AANM552N>