Ulrich, v. R., Ulrich, v. R., & Riechenthal, U. v. .
Chicago Style (17th ed.) CitationUlrich, von Richental, von Riechenthal Ulrich, and Ulrich von Riechenthal. .
MLA (9th ed.) CitationUlrich, von Richental, et al. .
Warning: These citations may not always be 100% accurate.