APA (7th ed.) Citation

Wagner, R. (1925). Richard Wagners Briefe. Bibliographisches Institut.

Chicago Style (17th ed.) Citation

Wagner, Richard. Richard Wagners Briefe. Leipzig: Bibliographisches Institut, 1925.

MLA (8th ed.) Citation

Wagner, Richard. Richard Wagners Briefe. Bibliographisches Institut, 1925.

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