APA (7th ed.) Citation

Hartmann, v. A., Paul, H., & Leitzmann, A. (1929). Gregorius Altdeutsche Textbibliothek.

Chicago Style (17th ed.) Citation

Hartmann, von Aue, Hermann Paul, and Albert Leitzmann. "Gregorius." Altdeutsche Textbibliothek 1929.

MLA (8th ed.) Citation

Hartmann, von Aue, et al. "Gregorius." Altdeutsche Textbibliothek, 1929.

Warning: These citations may not always be 100% accurate.