APA (7th ed.) Citation

Balmer, L. (1991). Signals and systems: An introduction. Prentice Hall.

Chicago Style (17th ed.) Citation

Balmer, Leslie. Signals and Systems: An Introduction. New York: Prentice Hall, 1991.

MLA (9th ed.) Citation

Balmer, Leslie. Signals and Systems: An Introduction. Prentice Hall, 1991.