APA (7th ed.) Citation

Spergel, I. A., Oh, S., Simmons, E., Alexander, A., Ross, R., Kane, C., . . . Curry, D. (1990). Executive Summary, Stage 1: Assessment. National Youth Gang Information Center.

Chicago Style (17th ed.) Citation

Spergel, Irving A., Sandra Oh, Edwina Simmons, Alba Alexander, Ruth Ross, Candice Kane, Ron Chance, and David Curry. Executive Summary, Stage 1: Assessment. National Youth Gang Information Center, 1990.

MLA (9th ed.) Citation

Spergel, Irving A., et al. Executive Summary, Stage 1: Assessment. National Youth Gang Information Center, 1990.