APA (7th ed.) Citation

Lenz, M. (1920). Kleine historische Schriften. Oldenbourg.

Chicago Style (17th ed.) Citation

Lenz, Max. Kleine Historische Schriften. München [u.a.]: Oldenbourg, 1920.

MLA (9th ed.) Citation

Lenz, Max. Kleine Historische Schriften. Oldenbourg, 1920.

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