Citazione Stile APA (7a Edizione)

U.S. Federal Bureau of Investigation & Hoover, J. E. (1941). Classification of fingerprints. U.S. Government Print Off.

Citazione stile Chigago Style (17a edizione)

U.S. Federal Bureau of Investigation e John Edgar Hoover. Classification of Fingerprints. Washington: U.S. Government Print Off, 1941.

Citatione MLA (9a ed.)

U.S. Federal Bureau of Investigation e John Edgar Hoover. Classification of Fingerprints. U.S. Government Print Off, 1941.