APA (7th ed.) Citation

Robert, L. (1838). Schriften. [s.n.].

Chicago Style (17th ed.) Citation

Robert, Ludwig. Schriften. Mannheim: [s.n.], 1838.

MLA (9th ed.) Citation

Robert, Ludwig. Schriften. [s.n.], 1838.

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