APA (7th ed.) Citation

Wooldridge, C. R. (1901). Hands up! in the world of crime. Police publishing company.

Chicago Style (17th ed.) Citation

Wooldridge, Clifton Rodman. Hands Up! in the World of Crime. Chicago: Police publishing company, 1901.

MLA (9th ed.) Citation

Wooldridge, Clifton Rodman. Hands Up! in the World of Crime. Police publishing company, 1901.