Poschinger, H. v. (1896). 1879 - 1890. Trewendt.
Cita Chicago (17th ed.)Poschinger, Heinrich von. 1879 - 1890. Breslau: Trewendt, 1896.
Cita MLA (8th ed.)Poschinger, Heinrich von. 1879 - 1890. Trewendt, 1896.
Atenció: Aquestes cites poden no estar 100% correctes.