APA (7th ed.) Citation

Greene, H. (1976). The American rivals of Sherlock Holmes. Pantheon Books.

Chicago Style (17th ed.) Citation

Greene, Hugh. The American Rivals of Sherlock Holmes. New York: Pantheon Books, 1976.

MLA (9th ed.) Citation

Greene, Hugh. The American Rivals of Sherlock Holmes. Pantheon Books, 1976.