APA (7th ed.) Citation

Ludwig, O., & Schweizer, V. Ludwigs Werke. Bibliographisches Institut.

Chicago Style (17th ed.) Citation

Ludwig, Otto, and Viktor Schweizer. Ludwigs Werke. Leipzig; Wien: Bibliographisches Institut.

MLA (8th ed.) Citation

Ludwig, Otto, and Viktor Schweizer. Ludwigs Werke. Bibliographisches Institut.

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