APA (7th ed.) Citation

Guedalla, P. (1951). Mr. Churchill. A portrait. Pan Books.

Chicago Style (17th ed.) Citation

Guedalla, Philip. Mr. Churchill. A Portrait. Londres: Pan Books, 1951.

MLA (9th ed.) Citation

Guedalla, Philip. Mr. Churchill. A Portrait. Pan Books, 1951.

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