APA (7th ed.) Citation

Anthony A. Braga, Sudhir Venkatesh, Philip J. Cook, & Jens Ludwig. Underground Gun Markets.

Chicago Style (17th ed.) Citation

Anthony A. Braga, Sudhir Venkatesh, Philip J. Cook, and Jens Ludwig. Underground Gun Markets.

MLA (9th ed.) Citation

Anthony A. Braga, et al. Underground Gun Markets.

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