APA (7th ed.) Citation

Amer, R. A., & Schwarz, H. R. (1964). Contributions to the approximation problem of electrical filters. Birkhäuser.

Chicago Style (17th ed.) Citation

Amer, Roshdi Abdel-Rahman, and Hans R. Schwarz. Contributions to the Approximation Problem of Electrical Filters. Basel (u.a.): Birkhäuser, 1964.

MLA (9th ed.) Citation

Amer, Roshdi Abdel-Rahman, and Hans R. Schwarz. Contributions to the Approximation Problem of Electrical Filters. Birkhäuser, 1964.