Johnson, E. H. (1973). Social problems of urban man. Dorsey Pr.
Cita Chicago Style (17a ed.)Johnson, Elmer Hubert. Social Problems of Urban Man. Homewood, Ill: Dorsey Pr, 1973.
Cita MLA (9a ed.)Johnson, Elmer Hubert. Social Problems of Urban Man. Dorsey Pr, 1973.
Precaución: Estas citas no son 100% exactas.