APA
Engle R. F., Lange Joe & National Bureau Of Economic Research. (1997). Measuring, forecasting and explaining time varying liquidity in the stock market. Cambridge, MA: NBER.
Chicago
Engle Robert F, Lange Joe and National Bureau Of Economic Research. 1997. Measuring, forecasting and explaining time varying liquidity in the stock market. Cambridge, MA: NBER.
Harvard
Engle R. F., Lange Joe and National Bureau Of Economic Research. (1997). Measuring, forecasting and explaining time varying liquidity in the stock market. Cambridge, MA: NBER.
MLA
Engle Robert F, Lange Joe and National Bureau Of Economic Research. Measuring, forecasting and explaining time varying liquidity in the stock market. Cambridge, MA: NBER. 1997.