APA (7th ed.) Citation

Gerstmann, A. (1915). Die Spionin. Engelhorn.

Chicago Style (17th ed.) Citation

Gerstmann, Adolf. Die Spionin. Stuttgart: Engelhorn, 1915.

MLA (9th ed.) Citation

Gerstmann, Adolf. Die Spionin. Engelhorn, 1915.

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