APA
Campbell J. Y., Thompson Samuel B & National Bureau Of Economic Research. (2005). Predicting the equity premium out of sample: Can anything beat the historical average?. Cambridge, MA: NBER.
Chicago
Campbell John Y, Thompson Samuel B and National Bureau Of Economic Research. 2005. Predicting the equity premium out of sample: Can anything beat the historical average?. Cambridge, MA: NBER.
Harvard
Campbell J. Y., Thompson Samuel B and National Bureau Of Economic Research. (2005). Predicting the equity premium out of sample: Can anything beat the historical average?. Cambridge, MA: NBER.
MLA
Campbell John Y, Thompson Samuel B and National Bureau Of Economic Research. Predicting the equity premium out of sample: Can anything beat the historical average?. Cambridge, MA: NBER. 2005.