Herring, E. P. (1940). Presidential leadership: The political relations of Congress and the chief executive. Farrar and Rinehart, Inc.
Cita Chicago Style (17a ed.)Herring, Edward Pendleton. Presidential Leadership: The Political Relations of Congress and the Chief Executive. New York: Farrar and Rinehart, Inc, 1940.
Cita MLA (9a ed.)Herring, Edward Pendleton. Presidential Leadership: The Political Relations of Congress and the Chief Executive. Farrar and Rinehart, Inc, 1940.
Precaución: Estas citas no son 100% exactas.