APA (7th ed.) Citation

Geffe, P. R. (1966). Simplified modern filter design (1. ed., 3. printing.). Hayden Book.

Chicago Style (17th ed.) Citation

Geffe, Philip R. Simplified Modern Filter Design. 1. ed., 3. printing. New York: Hayden Book, 1966.

MLA (9th ed.) Citation

Geffe, Philip R. Simplified Modern Filter Design. 1. ed., 3. printing. Hayden Book, 1966.