APA
Engle R. F., National Bureau Of Economic Research, . (1996). The econometrics of ultra-high frequency data. Cambridge, MA: NBER.
Chicago
Engle Robert F, National Bureau Of Economic Research, . 1996. The econometrics of ultra-high frequency data. Cambridge, MA: NBER.
Harvard
Engle R. F., National Bureau Of Economic Research, . (1996). The econometrics of ultra-high frequency data. Cambridge, MA: NBER.
MLA
Engle Robert F, National Bureau Of Economic Research, . The econometrics of ultra-high frequency data. Cambridge, MA: NBER. 1996.