APA (7th ed.) Citation

Karu, Z. Z. (2001). Signals and systems made ridiculously simple. ZiZi Press.

Chicago Style (17th ed.) Citation

Karu, Zoher Z. Signals and Systems Made Ridiculously Simple. Cambridge, MA: ZiZi Press, 2001.

MLA (9th ed.) Citation

Karu, Zoher Z. Signals and Systems Made Ridiculously Simple. ZiZi Press, 2001.