(1927). Professor Eduard Riggenbach-Thurneysen: 1861-1927. Werner-Riehm.
Cita Chicago (17th ed.)Professor Eduard Riggenbach-Thurneysen: 1861-1927. Bael: Werner-Riehm, 1927.
Cita MLA (8th ed.)Professor Eduard Riggenbach-Thurneysen: 1861-1927. Werner-Riehm, 1927.
Atenció: Aquestes cites poden no estar 100% correctes.