Cita APA (7a ed.)

Schiller, F. (1876). Briefe an Herzog Friedrich Christian . [s.n.].

Cita Chicago Style (17a ed.)

Schiller, Friedrich. Briefe an Herzog Friedrich Christian . Berlin: [s.n.], 1876.

Cita MLA (9a ed.)

Schiller, Friedrich. Briefe an Herzog Friedrich Christian . [s.n.], 1876.