APA (7th ed.) Citation

Baughman, U. E. Secret Service chief / U. E. Baughman.

Chicago Style (17th ed.) Citation

Baughman, U. E. Secret Service Chief / U. E. Baughman. London : Heinemann, 1963.

MLA (8th ed.) Citation

Baughman, U. E. Secret Service Chief / U. E. Baughman.

Warning: These citations may not always be 100% accurate.