APA (7th ed.) Citation

Williams, C. S. Designing digital filters (1a ed.). Prentice-Hall International.

Chicago Style (17th ed.) Citation

Williams, Charles S. Designing Digital Filters. 1a ed. Englewood Cl: Prentice-Hall International.

MLA (9th ed.) Citation

Williams, Charles S. Designing Digital Filters. 1a ed. Prentice-Hall International.