APA:
David de Augusta (1245-1255). Formula honestae vitae beati Bernhardi (3a–12b). Liber noviciorum eiusdem beati Bernhardi (13a–37a). URN:NBN:SI:IMG-PBOQ1782 from http://www.dlib.si
MLA:
David de Augusta. Formula honestae vitae beati Bernhardi (3a–12b). Liber noviciorum eiusdem beati Bernhardi (13a–37a). 1245-1255.
<http://www.dlib.si/?URN=URN:NBN:SI:IMG-PBOQ1782>