APA (7th ed.) Citation

Watkins, D., & Ashby, R. (2007). Gang investigations: A street cop's guide. Jones and Bartlett Publ.

Chicago Style (17th ed.) Citation

Watkins, Derrick, and Richard Ashby. Gang Investigations: A Street Cop's Guide. Sudbury, Mass. [u.a.]: Jones and Bartlett Publ, 2007.

MLA (9th ed.) Citation

Watkins, Derrick, and Richard Ashby. Gang Investigations: A Street Cop's Guide. Jones and Bartlett Publ, 2007.