APA
International Political Science Association, International Political Science Association, . (1960). Interest groups on four continents ed by Henry W E. Michigan: University of Pittsburgh Press.
Chicago
International Political Science Association, International Political Science Association, . 1960. Interest groups on four continents ed by Henry W E. Michigan: University of Pittsburgh Press.
Harvard
International Political Science Association, International Political Science Association, . (1960). Interest groups on four continents ed by Henry W E. Michigan: University of Pittsburgh Press.
MLA
International Political Science Association, International Political Science Association, . Interest groups on four continents ed by Henry W E. Michigan: University of Pittsburgh Press. 1960.
