APA (7th ed.) Citation

Drury, R. S. (1979). My secret war (2nd ed.). Aero Publishers.

Chicago Style (17th ed.) Citation

Drury, Richard S. My Secret War. 2nd ed. Fallbrook, CA: Aero Publishers, 1979.

MLA (8th ed.) Citation

Drury, Richard S. My Secret War. 2nd ed. Aero Publishers, 1979.