Cita APA (7th ed.)
Carls, W. (1894). Andreas Rüdigers Moralphilosophie.
Cita Chicago (17th ed.)
Carls, Wilhelm. Andreas Rüdigers Moralphilosophie. Halle, 1894.
Cita MLA (9th ed.)
Carls, Wilhelm. Andreas Rüdigers Moralphilosophie. 1894.
Atenció: Aquestes cites poden no estar 100% correctes.