Urban, W. (2004). Willebold von Berkheim (+ 1230). Suevia sancta, 161-166.
Chicago Style (17th ed.) CitationUrban, Wolfgang. "Willebold Von Berkheim (+ 1230)." Suevia Sancta 2004: 161-166.
MLA (8th ed.) CitationUrban, Wolfgang. "Willebold Von Berkheim (+ 1230)." Suevia Sancta, 2004, pp. 161-166.
Warning: These citations may not always be 100% accurate.