APA (7th ed.) Citation

Nitschke, H. (2018). Die Spionageabwehr der DDR. edition berolina.

Chicago Style (17th ed.) Citation

Nitschke, Henry. Die Spionageabwehr Der DDR. Berlin: edition berolina, 2018.

MLA (8th ed.) Citation

Nitschke, Henry. Die Spionageabwehr Der DDR. edition berolina, 2018.

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