APA (7th ed.) Citation

Jeffers, H. P. (1991). Who killed Precious ?: How FBI special agents combine high technology and psychology to identify violent criminals. Pharos Books.

Chicago Style (17th ed.) Citation

Jeffers, Harry Paul. Who Killed Precious ?: How FBI Special Agents Combine High Technology and Psychology to Identify Violent Criminals. New York, NY: Pharos Books, 1991.

MLA (8th ed.) Citation

Jeffers, Harry Paul. Who Killed Precious ?: How FBI Special Agents Combine High Technology and Psychology to Identify Violent Criminals. Pharos Books, 1991.

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