APA (7th ed.) Citation

Cook, P. J., Braga, A. A., Venkatesh, S. A., & Ludwig, J. (2005). Underground Gun Markets. National Bureau of Economic Research. https://doi.org/10.3386/w11737

Chicago Style (17th ed.) Citation

Cook, Philip J., Anthony Allan Braga, Sudhir A. Venkatesh, and Jens Ludwig. Underground Gun Markets. National Bureau of Economic Research, 2005. https://doi.org/10.3386/w11737.

MLA (9th ed.) Citation

Cook, Philip J., et al. Underground Gun Markets. National Bureau of Economic Research, 2005. https://doi.org/10.3386/w11737.