Cita APA (7a ed.)

Avery, R. (1997). City of brotherly mayhem: Philadelphia crimes & criminals. Otis Books.

Cita Chicago Style (17a ed.)

Avery, Ron. City of Brotherly Mayhem: Philadelphia Crimes & Criminals. Philadelphia: Otis Books, 1997.

Cita MLA (9a ed.)

Avery, Ron. City of Brotherly Mayhem: Philadelphia Crimes & Criminals. Otis Books, 1997.