APA
Balduzzi P., Das S. R. & Foresi S. (1997). The central tendency : a second factor in bond yields. Cambridge, Mass: National Bureau of Economic Research.
Chicago
Balduzzi Pierluigi, Das Sanjiv Ranjan and Foresi Silverio. 1997. The central tendency : a second factor in bond yields. Cambridge, Mass: National Bureau of Economic Research.
Harvard
Balduzzi P., Das S. R. and Foresi S. (1997). The central tendency : a second factor in bond yields. Cambridge, Mass: National Bureau of Economic Research.
MLA
Balduzzi Pierluigi, Das Sanjiv Ranjan and Foresi Silverio. The central tendency : a second factor in bond yields. Cambridge, Mass: National Bureau of Economic Research. 1997.