APA (7th ed.) Citation

Cohen, J., Singh, P., & Engberg, J. B. (1999). Effects of Crime Gun Prevalence on Homicide Rates. Carnegie Mellon University.

Chicago Style (17th ed.) Citation

Cohen, Jacqueline, Piyusha Singh, and John Barker Engberg. Effects of Crime Gun Prevalence on Homicide Rates. Carnegie Mellon University, 1999.

MLA (9th ed.) Citation

Cohen, Jacqueline, et al. Effects of Crime Gun Prevalence on Homicide Rates. Carnegie Mellon University, 1999.