APA (7th ed.) Citation

Gwynn, D. (1931). Traitor or patriot: The life and death of Roger Casement. J. Cape and H. Smith.

Chicago Style (17th ed.) Citation

Gwynn, Denis. Traitor or Patriot: The Life and Death of Roger Casement. New York: J. Cape and H. Smith, 1931.

MLA (9th ed.) Citation

Gwynn, Denis. Traitor or Patriot: The Life and Death of Roger Casement. J. Cape and H. Smith, 1931.