APA (7th ed.) Citation

Roskill, S. W. (1971). Hankey: Man of secrets. St. Martin's Press.

Chicago Style (17th ed.) Citation

Roskill, S. W. Hankey: Man of Secrets. New York: St. Martin's Press, 1971.

MLA (9th ed.) Citation

Roskill, S. W. Hankey: Man of Secrets. St. Martin's Press, 1971.