APA (7th ed.) Citation

De Freitas. (2005). Digital filter design solutions. Artech house.

Chicago Style (17th ed.) Citation

De Freitas. Digital Filter Design Solutions. Boston: Artech house, 2005.

MLA (9th ed.) Citation

De Freitas. Digital Filter Design Solutions. Artech house, 2005.

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