APA (7th ed.) Citation

Helstrom, C. W. (1978). An introduction to signal and system analysis (Pilot ed.). Holden-Day.

Chicago Style (17th ed.) Citation

Helstrom, Carl W. An Introduction to Signal and System Analysis. Pilot ed. San Francisco, CA: Holden-Day, 1978.

MLA (9th ed.) Citation

Helstrom, Carl W. An Introduction to Signal and System Analysis. Pilot ed. Holden-Day, 1978.