APA (7th ed.) Citation

Hellmund, W. (1931). Verkalkter Nierenechinococcus. s.n.].

Chicago Style (17th ed.) Citation

Hellmund, Werner. Verkalkter Nierenechinococcus. [S.l.: s.n.], 1931.

MLA (8th ed.) Citation

Hellmund, Werner. Verkalkter Nierenechinococcus. s.n.], 1931.