Cita APA (7th ed.)
Luedtke, G. (1881). The Erl of Tolous and the emperes of Almayn.
Cita Chicago (17th ed.)
Luedtke, Gustav. The Erl of Tolous and the Emperes of Almayn. Weimar, 1881.
Cita MLA (9th ed.)
Luedtke, Gustav. The Erl of Tolous and the Emperes of Almayn. 1881.
Atenció: Aquestes cites poden no estar 100% correctes.