APA (7th ed.) Citation

Jahn, H. E., & Roth, A. (1962). Spionage in Deutschland. Gerdes.

Chicago Style (17th ed.) Citation

Jahn, Hans Edgar, and Armin Roth. Spionage in Deutschland. Preetz: Gerdes, 1962.

MLA (9th ed.) Citation

Jahn, Hans Edgar, and Armin Roth. Spionage in Deutschland. Gerdes, 1962.

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