APA (7th ed.) Citation

Petzold, K. (1972). Cicero und Historie. [s.n.].

Chicago Style (17th ed.) Citation

Petzold, Karl-Ernst. Cicero Und Historie. [S.l.]: [s.n.], 1972.

MLA (9th ed.) Citation

Petzold, Karl-Ernst. Cicero Und Historie. [s.n.], 1972.

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