Maier, T. (2025). The invisible spy: Churchill's Rockefeller Center spy ring and America's first secret agent of World War II. Hanover Square Press.
Chicago Style (17th ed.) CitationMaier, Thomas. The Invisible Spy: Churchill's Rockefeller Center Spy Ring and America's First Secret Agent of World War II. New York, NY: Hanover Square Press, 2025.
MLA (8th ed.) CitationMaier, Thomas. The Invisible Spy: Churchill's Rockefeller Center Spy Ring and America's First Secret Agent of World War II. Hanover Square Press, 2025.
Warning: These citations may not always be 100% accurate.