APA (7th ed.) Citation

Forty, G., & Duncan, J. (1990). The fall of France: Disaster in the west 1939-1940. Nutshell.

Chicago Style (17th ed.) Citation

Forty, George, and John Duncan. The Fall of France: Disaster in the West 1939-1940. Tunbridge Wells: Nutshell, 1990.

MLA (9th ed.) Citation

Forty, George, and John Duncan. The Fall of France: Disaster in the West 1939-1940. Nutshell, 1990.