APA Citation

Billingsley, R. (2009). Covert human intelligence sources: The "unlovely" face of police work. Winchester: Waterside Press.

Chicago Style Citation

Billingsley, Roger. Covert Human Intelligence Sources: The "unlovely" Face of Police Work. Winchester: Waterside Press, 2009.

MLA Citation

Billingsley, Roger. Covert Human Intelligence Sources: The "unlovely" Face of Police Work. Winchester: Waterside Press, 2009.

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