APA (7th ed.) Citation

Higgs, C., & Vigar, B. (2020). Empty sky: RAF voices from the fall of France and Battle of Britain. Air World.

Chicago Style (17th ed.) Citation

Higgs, Colin, and Bruce Vigar. Empty Sky: RAF Voices from the Fall of France and Battle of Britain. Barnsley: Air World, 2020.

MLA (9th ed.) Citation

Higgs, Colin, and Bruce Vigar. Empty Sky: RAF Voices from the Fall of France and Battle of Britain. Air World, 2020.