APA (7th ed.) Citation

Price, A. (1980). The hardest day, 18 August 1940: Battle of Britain (1st American ed.). C. Scribner's Sons.

Chicago Style (17th ed.) Citation

Price, Alfred. The Hardest Day, 18 August 1940: Battle of Britain. 1st American ed. New York: C. Scribner's Sons, 1980.

MLA (9th ed.) Citation

Price, Alfred. The Hardest Day, 18 August 1940: Battle of Britain. 1st American ed. C. Scribner's Sons, 1980.