Cita APA (7a ed.)

Oertel, F. v. (1800). Diethelm. [s.n.].

Cita Chicago Style (17a ed.)

Oertel, Friedrich von. Diethelm. Leipzig: [s.n.], 1800.

Cita MLA (9a ed.)

Oertel, Friedrich von. Diethelm. [s.n.], 1800.