Cita APA

Bergel, E. E. Urban Sociology / Egon Ernest Bergel. New York : McGraw-Hill.

Citación estilo Chicago

Bergel, Egon Ernest. Urban Sociology / Egon Ernest Bergel. New York : McGraw-Hill.

Cita MLA

Bergel, Egon Ernest. Urban Sociology / Egon Ernest Bergel. New York : McGraw-Hill.