APA
Campbello M., Zhang Lu, Chen Long & National Bureau Of Economic Research. (2005). Expected returns, yield spreads, and asset pricing tests. Cambridge, MA: NBER.
Chicago
Campbello Murillo, Zhang Lu, Chen Long and National Bureau Of Economic Research. 2005. Expected returns, yield spreads, and asset pricing tests. Cambridge, MA: NBER.
Harvard
Campbello M., Zhang Lu, Chen Long and National Bureau Of Economic Research. (2005). Expected returns, yield spreads, and asset pricing tests. Cambridge, MA: NBER.
MLA
Campbello Murillo, Zhang Lu, Chen Long and National Bureau Of Economic Research. Expected returns, yield spreads, and asset pricing tests. Cambridge, MA: NBER. 2005.