APA Citation

Koening, E. S. C. a. L. W. The presidency today. New york university press.

Chicago Style Citation

Koening, Edward S. Corwin and Lois W. The Presidency Today. New york university press.

MLA Citation

Koening, Edward S. Corwin and Lois W. The Presidency Today. New york university press.

Warning: These citations may not always be 100% accurate.