Cita APA (7a ed.)

Jacobi, J. G. (1771). Zween Briefe. [s.n.].

Cita Chicago Style (17a ed.)

Jacobi, Johann Georg. Zween Briefe. Halberstadt: [s.n.], 1771.

Cita MLA (9a ed.)

Jacobi, Johann Georg. Zween Briefe. [s.n.], 1771.