APA (7th ed.) Citation

Roos, A. M. (1933). Verborgene Kräfte. Paul Scheiner.

Chicago Style (17th ed.) Citation

Roos, Anna Maria. Verborgene Kräfte. Würzburg: Paul Scheiner, 1933.

MLA (9th ed.) Citation

Roos, Anna Maria. Verborgene Kräfte. Paul Scheiner, 1933.

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