Cita APA (7a ed.)

Spergel, I., Oh, S., Regulus, T., Alexander, A., Chance, R., & Kane, C. (1991). General Community Design Model. National Youth Gang Information Center.

Cita Chicago Style (17a ed.)

Spergel, Irving, Sandra Oh, Tom Regulus, Alba Alexander, Ron Chance, y Candice Kane. General Community Design Model. National Youth Gang Information Center, 1991.

Cita MLA (9a ed.)

Spergel, Irving, et al. General Community Design Model. National Youth Gang Information Center, 1991.