APA (7th ed.) Citation

Brooks, V. W. (1955). The ordeal of Mark Twain. Meridian Books.

Chicago Style (17th ed.) Citation

Brooks, Van Wyck. The Ordeal of Mark Twain. New York: Meridian Books, 1955.

MLA (9th ed.) Citation

Brooks, Van Wyck. The Ordeal of Mark Twain. Meridian Books, 1955.