Bergel, E. E. (1955). Urban sociology. McGraw-Hill.
芝加哥风格引文Bergel, Egon Ernest. Urban Sociology. New York: McGraw-Hill, 1955.
MLA引文Bergel, Egon Ernest. Urban Sociology. McGraw-Hill, 1955.
警告：这些引文格式不一定是100％准确.
APA引文
Bergel, E. E. (1955). Urban sociology. McGraw-Hill.
芝加哥风格引文Bergel, Egon Ernest. Urban Sociology. New York: McGraw-Hill, 1955.
MLA引文Bergel, Egon Ernest. Urban Sociology. McGraw-Hill, 1955.