APA (7th ed.) Citation

Helszajn, J. (1990). Synthesis of lumped element, distributed and planar filters. McGraw Hill.

Chicago Style (17th ed.) Citation

Helszajn, Joseph. Synthesis of Lumped Element, Distributed and Planar Filters. London u.a: McGraw Hill, 1990.

MLA (9th ed.) Citation

Helszajn, Joseph. Synthesis of Lumped Element, Distributed and Planar Filters. McGraw Hill, 1990.

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