Citazione APA

Cohen, J. (1949). Materials and problems on legislation (2nd ed.). The Bobbes Merrill company.

Stile di citazione Chicago

Cohen, Julius. Materials and Problems on Legislation. 2nd ed. New York: The Bobbes Merrill company, 1949.

Citazione MLA

Cohen, Julius. Materials and Problems on Legislation. 2nd ed. The Bobbes Merrill company, 1949.