APA (7th ed.) Citation

Terrell, T. J. (1980). Introduction to digital filters. Macmillan.

Chicago Style (17th ed.) Citation

Terrell, Trevor J. Introduction to Digital Filters. London: Macmillan, 1980.

MLA (9th ed.) Citation

Terrell, Trevor J. Introduction to Digital Filters. Macmillan, 1980.

Warning: These citations may not always be 100% accurate.