APA (7th ed.) Citation

Hirzel, R. Untersuchungen zu Cicero's philosophischen Schriften. Hirzel.

Chicago Style (17th ed.) Citation

Hirzel, Rudolf. Untersuchungen Zu Cicero's Philosophischen Schriften. Leipzig: Hirzel.

MLA (9th ed.) Citation

Hirzel, Rudolf. Untersuchungen Zu Cicero's Philosophischen Schriften. Hirzel.

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