Barro, R. J. (2020). r minus g. American Enterprise Institute.
Chicago Style (17th ed.) CitationBarro, Robert J. R Minus G. [Washington, District of Columbia]: American Enterprise Institute, 2020.
MLA (9th ed.) CitationBarro, Robert J. R Minus G. American Enterprise Institute, 2020.
Warning: These citations may not always be 100% accurate.