APA aipamena

Polsby, N. W. (1974). Political problems: Essays and commentary on American politics. Oxford university press.

Chicago Style aipamena

Polsby, Nelson W. Political Problems: Essays and Commentary on American Politics. New York: Oxford university press, 1974.

MLA aipamena

Polsby, Nelson W. Political Problems: Essays and Commentary on American Politics. Oxford university press, 1974.