Theodorus, M. 3., & Usener, H. (1890). Vita S. Theodosii Abbatis. Natalicia regis augustissimi ... imperatoris Germanorum ab Universitate Fridericia Guilelmia Rhenana ... publice concelebranda indicunt ....
Chicago Style (17th ed.) CitationTheodorus, Mopsuestenus 352-428, and Hermann Usener. "Vita S. Theodosii Abbatis." Natalicia Regis Augustissimi ... Imperatoris Germanorum Ab Universitate Fridericia Guilelmia Rhenana ... Publice Concelebranda Indicunt ... 1890.
MLA (8th ed.) CitationTheodorus, Mopsuestenus 352-428, and Hermann Usener. "Vita S. Theodosii Abbatis." Natalicia Regis Augustissimi ... Imperatoris Germanorum Ab Universitate Fridericia Guilelmia Rhenana ... Publice Concelebranda Indicunt ..., 1890.
Warning: These citations may not always be 100% accurate.