APA (7th ed.) Citation

Roder, H. (1933). Graphical methods for problems involving radio-frequency transmission lines. Proceedings of the IRE, 21, 290. https://doi.org/10.1109/JRPROC.1933.227604

Chicago Style (17th ed.) Citation

Roder, H. "Graphical Methods for Problems Involving Radio-frequency Transmission Lines." Proceedings of the IRE 21 (1933): 290. https://doi.org/10.1109/JRPROC.1933.227604.

MLA (9th ed.) Citation

Roder, H. "Graphical Methods for Problems Involving Radio-frequency Transmission Lines." Proceedings of the IRE, vol. 21, 1933, p. 290, https://doi.org/10.1109/JRPROC.1933.227604.