APA (7th ed.) Citation

Augustinus, A., & Schadel, E. (1975). De magistro.

Chicago Style (17th ed.) Citation

Augustinus, Aurelius, and Erwin Schadel. De Magistro. 1975.

MLA (9th ed.) Citation

Augustinus, Aurelius, and Erwin Schadel. De Magistro. 1975.

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