APA (7th ed.) Citation

Smith, L. B. (1961). A Tudor tragedy: The life and times of Catherine Howard. Pantheon Books.

Chicago Style (17th ed.) Citation

Smith, Lacey Baldwin. A Tudor Tragedy: The Life and Times of Catherine Howard. [New York]: Pantheon Books, 1961.

MLA (9th ed.) Citation

Smith, Lacey Baldwin. A Tudor Tragedy: The Life and Times of Catherine Howard. Pantheon Books, 1961.