APA (7th ed.) Citation

Christiano, L. J., & Fitzgerald, T. J. (1999). The band pass filter.

Chicago Style (17th ed.) Citation

Christiano, Lawrence J., and Terry J. Fitzgerald. The Band Pass Filter. Cambridge, Mass, 1999.

MLA (9th ed.) Citation

Christiano, Lawrence J., and Terry J. Fitzgerald. The Band Pass Filter. 1999.