Cita APA (7a ed.)

Balmer, L. (1997). Signals and systems: An introduction (2nd ed.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Balmer, L. Signals and Systems: An Introduction. 2nd ed. London [etc.]: Prentice-Hall, 1997.

Cita MLA (9a ed.)

Balmer, L. Signals and Systems: An Introduction. 2nd ed. Prentice-Hall, 1997.