APA (7th ed.) Citation

Churchill, R. S., & Gilbert, M. (1967). Winston S. Churchill. Companion volume. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Churchill, Randolph S., and Martin Gilbert. Winston S. Churchill. Companion Volume. Boston: Houghton Mifflin, 1967.

MLA (9th ed.) Citation

Churchill, Randolph S., and Martin Gilbert. Winston S. Churchill. Companion Volume. Houghton Mifflin, 1967.

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