APA (7th ed.) Citation

Proal, L. (1898). Political crime The criminology series.

Chicago Style (17th ed.) Citation

Proal, Louis. "Political Crime." The Criminology Series 1898.

MLA (9th ed.) Citation

Proal, Louis. "Political Crime." The Criminology Series, 1898.

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