Koening, E. S. C. a. L. W. The presidency today. New york university press.
Chicago Style CitationKoening, Edward S. Corwin and Lois W. The Presidency Today. New york university press.
MLA CitationKoening, Edward S. Corwin and Lois W. The Presidency Today. New york university press.
Warning: These citations may not always be 100% accurate.