APA (7th ed.) Citation

Scowen, F. (1945). An introduction to the theory and design of electric wave filters. Chapman & Hall ltd.

Chicago Style (17th ed.) Citation

Scowen, F. An Introduction to the Theory and Design of Electric Wave Filters. London: Chapman & Hall ltd, 1945.

MLA (9th ed.) Citation

Scowen, F. An Introduction to the Theory and Design of Electric Wave Filters. Chapman & Hall ltd, 1945.

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