APA (7th ed.) Citation

Geffe, P. R. (1963). Simplified modern filter design. Rider.

Chicago Style (17th ed.) Citation

Geffe, Philip R. Simplified Modern Filter Design. New York, NY: Rider, 1963.

MLA (9th ed.) Citation

Geffe, Philip R. Simplified Modern Filter Design. Rider, 1963.

Warning: These citations may not always be 100% accurate.