APA (7th ed.) Citation

Friedman, B. M. (1991). How does it matter? (Rev., November 1991.). National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Friedman, Benjamin M. How Does It Matter? Rev., November 1991. Cambridge, Mass: National Bureau of Economic Research, 1991.

MLA (9th ed.) Citation

Friedman, Benjamin M. How Does It Matter? Rev., November 1991. National Bureau of Economic Research, 1991.

Warning: These citations may not always be 100% accurate.