APA (7th ed.) Citation

Frost, D. B. (2017). Classified: A history of secrecy in the United States government. McFarland & Company, Inc., Publishers.

Chicago Style (17th ed.) Citation

Frost, David B. Classified: A History of Secrecy in the United States Government. Jefferson, North Carolina: McFarland & Company, Inc., Publishers, 2017.

MLA (9th ed.) Citation

Frost, David B. Classified: A History of Secrecy in the United States Government. McFarland & Company, Inc., Publishers, 2017.