APA (7th ed.) Citation

Spergel, I. A. (1967). Street gang work: Theory and practice. Doubleday.

Chicago Style (17th ed.) Citation

Spergel, Irving A. Street Gang Work: Theory and Practice. Garden City, N.Y: Doubleday, 1967.

MLA (9th ed.) Citation

Spergel, Irving A. Street Gang Work: Theory and Practice. Doubleday, 1967.