Executive Office of the President : An Historical Overview.

MLA

Library of Congress. Executive Office of the President : An Historical Overview. [Place of publication not identified] : [publisher not identified], 2008.

APA

Library of Congress. (2008). Executive Office of the President : An Historical Overview. [Place of publication not identified] : [publisher not identified].

Chicago

Library of Congress. Executive Office of the President : An Historical Overview. [Place of publication not identified] : [publisher not identified], 2008.