APA (7th ed.) Citation

Berndorff, H. Espionage / By H. R. Bernorff.

Chicago Style (17th ed.) Citation

Berndorff, H. Espionage / By H. R. Bernorff. London : Nash & Grayson, 1930.

MLA (8th ed.) Citation

Berndorff, H. Espionage / By H. R. Bernorff.

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