Bieler, L., O'Meara, J. J., & Naumann, B. (1976). Latin Script and Letters A.D. 400-900: Festschrift presented to Ludwig Bieler on the occasion of his 70th birthday. E.J. Brill.
Chicago Style (17th ed.) CitationBieler, Ludwig, John J. O'Meara, and Bernd Naumann. Latin Script and Letters A.D. 400-900: Festschrift Presented to Ludwig Bieler on the Occasion of His 70th Birthday. Leiden: E.J. Brill, 1976.
MLA (9th ed.) CitationBieler, Ludwig, et al. Latin Script and Letters A.D. 400-900: Festschrift Presented to Ludwig Bieler on the Occasion of His 70th Birthday. E.J. Brill, 1976.