Cita APA (7a ed.)

Wagner, R. (1898). Briefe an Otto Wesendonck. [s.n.].

Cita Chicago Style (17a ed.)

Wagner, Richard. Briefe an Otto Wesendonck. Charlottenburg: [s.n.], 1898.

Cita MLA (9a ed.)

Wagner, Richard. Briefe an Otto Wesendonck. [s.n.], 1898.