York, H. E. (1990). Political science: A guide to reference and information sources. Libraries Unlimited.
Chicago Style (17th ed.) CitationYork, Henry E. Political Science: A Guide to Reference and Information Sources. Englewood, Colo: Libraries Unlimited, 1990.
MLA (9th ed.) CitationYork, Henry E. Political Science: A Guide to Reference and Information Sources. Libraries Unlimited, 1990.
Warning: These citations may not always be 100% accurate.