Cita APA (7a ed.)

Schmidt, F. W. V. (1819). Rolands Abentheuer in ... Bildern. [s.n.].

Cita Chicago Style (17a ed.)

Schmidt, Friedrich Wilhelm Valentin. Rolands Abentheuer in ... Bildern. Berlin ; Leipzig: [s.n.], 1819.

Cita MLA (9a ed.)

Schmidt, Friedrich Wilhelm Valentin. Rolands Abentheuer in ... Bildern. [s.n.], 1819.