APA (7th ed.) Citation

Sporleder, F., & Unger, H. (1979). Waveguide tapers transitions and couplers. Peregrinus.

Chicago Style (17th ed.) Citation

Sporleder, Frank, and Hans-Georg Unger. Waveguide Tapers Transitions and Couplers. London u.a: Peregrinus, 1979.

MLA (9th ed.) Citation

Sporleder, Frank, and Hans-Georg Unger. Waveguide Tapers Transitions and Couplers. Peregrinus, 1979.