Callahan, D. (1999). $1 billion for ideas: Conservative think tanks in the 1990s. National Committee for Responsive Philanthropy.
Chicago Style (17th ed.) CitationCallahan, David. $1 Billion for Ideas: Conservative Think Tanks in the 1990s. Washington, D.C.: National Committee for Responsive Philanthropy, 1999.
MLA (9th ed.) CitationCallahan, David. $1 Billion for Ideas: Conservative Think Tanks in the 1990s. National Committee for Responsive Philanthropy, 1999.
Warning: These citations may not always be 100% accurate.