Cita APA (7a ed.)

Chen, W. (2009). Passive, active, and digital filters (3a ed.). CRC Press/Taylor & Francis.

Cita Chicago Style (17a ed.)

Chen, Wai-Kai. Passive, Active, and Digital Filters. 3a ed. Boca Raton, Fl.: CRC Press/Taylor & Francis, 2009.

Cita MLA (8a ed.)

Chen, Wai-Kai. Passive, Active, and Digital Filters. 3a ed. CRC Press/Taylor & Francis, 2009.