Parks, T. W., & Burrus, C. S. (1987). DIGITAL FILTER DESIGN. John Wiley & Sons.
Chicago Style (17th ed.) CitationParks, T. W., and C. S. Burrus. DIGITAL FILTER DESIGN. New York: John Wiley & Sons, 1987.
MLA (9th ed.) CitationParks, T. W., and C. S. Burrus. DIGITAL FILTER DESIGN. John Wiley & Sons, 1987.
Warning: These citations may not always be 100% accurate.