Cita APA (7a ed.)

Groham, W. (1976). The Urban predicament. The Urban Inst.

Cita Chicago Style (17a ed.)

Groham, William. The Urban Predicament. Washington, D.C: The Urban Inst, 1976.

Cita MLA (9a ed.)

Groham, William. The Urban Predicament. The Urban Inst, 1976.