APA (7th ed.) Citation

Porsch, O. (1909). Erwiderung ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Porsch, Otto. Erwiderung. [Sonderdr.]. 1909.

MLA (9th ed.) Citation

Porsch, Otto. Erwiderung. [Sonderdr.]. 1909.

Warning: These citations may not always be 100% accurate.