APA (7th ed.) Citation

Ambrosio, S., & Petschenig, M. (1919). Sancti Ambrosii Opera. F. Tempsky [etc.].

Chicago Style (17th ed.) Citation

Ambrosio, Santo, and Michael Petschenig. Sancti Ambrosii Opera. Vindobonae [etc.]: F. Tempsky [etc.], 1919.

MLA (9th ed.) Citation

Ambrosio, Santo, and Michael Petschenig. Sancti Ambrosii Opera. F. Tempsky [etc.], 1919.