APA (7th ed.) Citation

Christiano, L. J., & Fitzgerald, T. J. (1999). The band pass filter. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Christiano, Lawrence J., and Terry J. Fitzgerald. The Band Pass Filter. Cambridge, MA: National Bureau of Economic Research, 1999.

MLA (9th ed.) Citation

Christiano, Lawrence J., and Terry J. Fitzgerald. The Band Pass Filter. National Bureau of Economic Research, 1999.