Nikolaus, v. K., & Haubst, R. (1991). Opera omnia. Opera omnia.
Chicago Style (17th ed.) CitationNikolaus, von Kues, and Rudolf Haubst. "Opera Omnia." Opera Omnia 1991.
MLA (8th ed.) CitationNikolaus, von Kues, and Rudolf Haubst. "Opera Omnia." Opera Omnia, 1991.
Warning: These citations may not always be 100% accurate.