Cita APA (7a ed.)

Schlenger, W. E., & Greenberg, S. W. (1980). Characteristics of cities and their relationship to heroin use: An analysis of heroin use correlates in metropolitan areas. Research Triangle Inst.

Cita Chicago Style (17a ed.)

Schlenger, William E., y Stephanie W. Greenberg. Characteristics of Cities and Their Relationship to Heroin Use: An Analysis of Heroin Use Correlates in Metropolitan Areas. Research Triangle Park, NC: Research Triangle Inst, 1980.

Cita MLA (9a ed.)

Schlenger, William E., y Stephanie W. Greenberg. Characteristics of Cities and Their Relationship to Heroin Use: An Analysis of Heroin Use Correlates in Metropolitan Areas. Research Triangle Inst, 1980.