APA (7th ed.) Citation

Knudsen, H. (1909). Zur Posener Theaterfrage.

Chicago Style (17th ed.) Citation

Knudsen, Hans. Zur Posener Theaterfrage. 1909.

MLA (9th ed.) Citation

Knudsen, Hans. Zur Posener Theaterfrage. 1909.

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