APA (7th ed.) Citation

Decker, S. H., Pennell, S., & Caldwell, A. (1997). Illegal firearms: Access and use by arrestees.

Chicago Style (17th ed.) Citation

Decker, Scott H., Susan Pennell, and Ami Caldwell. Illegal Firearms: Access and Use by Arrestees. 1997.

MLA (8th ed.) Citation

Decker, Scott H., et al. Illegal Firearms: Access and Use by Arrestees. 1997.