APA (7th ed.) Citation

Ludwig, O. (1891). Gesammelte Schriften. [publisher not identified].

Chicago Style (17th ed.) Citation

Ludwig, Otto. Gesammelte Schriften. Leipzig: [publisher not identified], 1891.

MLA (8th ed.) Citation

Ludwig, Otto. Gesammelte Schriften. [publisher not identified], 1891.

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