APA Style

Lijphart, Arend., Aitkin, Don.. (1994). Electoral systems and party systems: a study of twenty-seven democracies, 1945-1990 . Oxford: Oxford University Press.

Chicago Style

Lijphart, Arend., Aitkin, Don.. Electoral systems and party systems: a study of twenty-seven democracies, 1945-1990. Oxford: Oxford University Press, 1994. Books.

MLA Style

Lijphart, Arend., Aitkin, Don.. Electoral systems and party systems: a study of twenty-seven democracies, 1945-1990. Oxford: Oxford University Press, 1994. Books.

Turabian Style

Lijphart, Arend., Aitkin, Don.. Electoral systems and party systems: a study of twenty-seven democracies, 1945-1990. Oxford: Oxford University Press, 1994. Books.