Cita APA (7a ed.)

Heinrich, E. O. (1917). Co-Operation of a Library Staff with the Criminal Investigator.

Cita Chicago Style (17a ed.)

Heinrich, Edward Oscar. Co-Operation of a Library Staff with the Criminal Investigator. 1917.

Cita MLA (9a ed.)

Heinrich, Edward Oscar. Co-Operation of a Library Staff with the Criminal Investigator. 1917.