APA (7th ed.) Citation

Parkinson, R. (1977). Summer, 1940: The Battle of Britain (1st American ed.). D. McKay.

Chicago Style (17th ed.) Citation

Parkinson, Roger. Summer, 1940: The Battle of Britain. 1st American ed. New York: D. McKay, 1977.

MLA (9th ed.) Citation

Parkinson, Roger. Summer, 1940: The Battle of Britain. 1st American ed. D. McKay, 1977.

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