Final answer:
The claim that the Chicago Manual of Style is the standard for all speeches is false, as various citation styles are used in different academic disciplines.
Step-by-step explanation:
The statement that the Chicago Manual of Style (CMS) is the standard formal bibliographic style format for all speeches is false. In academic and professional writing, various documentation styles are used, and the choice of which to use is often dictated by the discipline or field of study, as well as the preference of the instructor or publication. For example, the Modern Language Association (MLA) style is commonly used in humanities, the American Psychological Association (APA) style in social sciences, and the Chicago Manual of Style in business, history, and fine arts. Different fields might also use other styles such as the Council of Science Editors (CSE), American Chemical Society (ACS), American Institute of Physics (AIP), Associated Press (AP), American Medical Association (AMA), or the Bluebook: A Uniform System of Citation, among others.