Cita APA (7th ed.)

Kosch, W. (1914). Friedrich Spe. Volksvereins-Verlag.

Cita Chicago (17th ed.)

Kosch, Wilhelm. Friedrich Spe. M.Gladbach: Volksvereins-Verlag, 1914.

Cita MLA (8th ed.)

Kosch, Wilhelm. Friedrich Spe. Volksvereins-Verlag, 1914.