Cita APA (7a ed.)

Crawford, P. L., Malmud, D. I., & Dumpson, J. R. (1950). Working with teen-age gangs. Welfare Council of New York City.

Cita Chicago Style (17a ed.)

Crawford, Paul L., Daniel I. Malmud, y James R. Dumpson. Working with Teen-age Gangs. New York, NY: Welfare Council of New York City, 1950.

Cita MLA (9a ed.)

Crawford, Paul L., et al. Working with Teen-age Gangs. Welfare Council of New York City, 1950.