APA (7th ed.) Citation

Winbolt, S. E. (1945). Britain B.C. Penguin Books.

Chicago Style (17th ed.) Citation

Winbolt, S. E. Britain B.C. New York: Penguin Books, 1945.

MLA (9th ed.) Citation

Winbolt, S. E. Britain B.C. Penguin Books, 1945.