APA (7th ed.) Citation

Ishak, I. (2009). Butterworth low-pass filter design / Ismahalili Ishak.

Chicago Style (17th ed.) Citation

Ishak, Ismahalili. Butterworth Low-pass Filter Design / Ismahalili Ishak. 2009.

MLA (9th ed.) Citation

Ishak, Ismahalili. Butterworth Low-pass Filter Design / Ismahalili Ishak. 2009.

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